|  
                Year  
            |  
         
             Beginning Price  
            |  
         
             Ending Price  
            |  
         
             Gain or Loss 
            |  
         
             Percent Gain or Loss  
            |  
      
|  
           1975 
            |  
         
           5.25 
            |  
         
           7.625 
              
           |  
         
           2.375 
            |  
         
           45.24% 
            |  
      
|  
           1976 
            |  
         
           7.625 
            |  
         
           12.75 
              
           |  
         
           5.125 
            |  
         
           67.21% 
            |  
      
|  
           1977 
            |  
         
           12.75 
            |  
         
           16.75 
              
           |  
         
           4.00 
            |  
         
           31.37% 
            |  
      
|  
           1978 
            |  
         
           16.75 
            |  
         
           20.0625* 
              
           |  
         
           3.3125 
            |  
         
           19.78% 
            |  
      
|  
           1979 
            |  
         
           13.375 
            |  
         
           11.125 
              
           |  
         
           -2.25 
            |  
         
           -16.82% 
            |  
      
|  
           1980 
            |  
         
           11.125 
            |  
         
           12.25 
              
           |  
         
           1.125 
            |  
         
           10.11% 
            |  
      
|  
           1981 
            |  
         
           12.25 
            |  
         
           22.125 
              
           |  
         
           9.875 
            |  
         
           80.61% 
            |  
      
|  
           1982 
            |  
         
           22.125 
            |  
         
           25.625 
              
           |  
         
           3.50 
            |  
         
           15.82% 
            |  
      
|  
           1983 
            |  
         
           25.625 
            |  
         
           40.00* 
              
           |  
         
           14.375 
            |  
         
           56.10% 
            |  
      
|  
           1984 
            |  
         
           20.00 
            |  
         
           18.875 
              
           |  
         
           -1.125 
            |  
         
           -5.63% 
            |  
      
|  
           1985 
            |  
         
           18.875 
            |  
         
           33.25 
              
           |  
         
           14.375 
            |  
         
           76.16% 
            |  
      
|  
           1986 
            |  
         
           33.25 
            |  
         
           38.625* 
              
           |  
         
           5.375 
            |  
         
           16.17% 
            |  
      
|  
           1987 
            |  
         
           25.75 
            |  
         
           22.00 
              
           |  
         
           -3.75 
            |  
         
           -14.56% 
            |  
      
|  
           1988 
            |  
         
           22.00 
            |  
         
           23.75 
              
           |  
         
           1.75 
            |  
         
           7.95% 
            |  
      
|  
           1989 
            |  
         
           23.75 
            |  
         
           30.00 
              
           |  
         
           6.25 
            |  
         
           26.32% 
            |  
      
|  
           1990 
            |  
         
           30.00 
            |  
         
           26.375 
              
           |  
         
           -3.625 
            |  
         
           -12.08% 
            |  
      
|  
           1991 
            |  
         
           26.375 
            |  
         
           37.875 
              
           |  
         
           11.50 
            |  
         
           43.60% 
            |  
      
|  
           1992 
            |  
         
           37.875 
            |  
         
           68.00* 
              
           |  
         
           30.125 
            |  
         
           79.54% 
            |  
      
|  
           1993 
            |  
         
           34.00 
            |  
         
           50.00 
              
           |  
         
           16.00 
            |  
         
           47.06% 
            |  
      
|  
           1994 
            |  
         
           50.00 
            |  
         
           35.00 
              
           |  
         
           -15.00 
            |  
         
           -30.00% 
            |  
      
|  
           1995 
            |  
         
           35.00 
            |  
         
           48.50* 
            |  
         
           13.50 
            |  
         
           38.57% 
            |  
      
|  
           1996 
            |  
         
           24.25 
            |  
         
           34.625 
            |  
         
           10.375 
            |  
         
           42.78% 
            |  
      
|  
           1997 
            |  
         
           34.625 
            |  
         
           41.875 
            |  
         
           7.25 
            |  
         
           20.94% 
            |  
      
|  
           1998 
            |  
         
           41.875 
            |  
         
           44.00* 
            |  
         
           2.125 
            |  
         
           5.07% 
            |  
      
|  
           1999 
            |  
         
           22.00 
            |  
         
           21.4375 
              
           |  
         
           -0.5625 
            |  
         
           -2.56% 
            |  
      
|  
           2000 
            |  
         
           21.4375 
            |  
         
           18.9375 
            |  
         
           -2.50 
            |  
         
           -11.66% 
            |  
      
|  
           2001 
            |  
         
           18.9375 
            |  
         
           23.00 
              
           |  
         
           4.0625 
            |  
         
           21.45% 
            |  
      
|  
           2002 
            |  
         
           23.00 
            |  
         
           22.44 
              
           |  
         
           -0.56 
            |  
         
           -2.43% 
            |  
      
|  
           2003 
            |  
         
           22.44 
            |  
         
           21.63 
            |  
         
           -0.81 
            |  
         
           -3.61% 
            |  
      
|  
           2004 
            |  
         
           21.63 
            |  
         
           28.43 
              
           |  
         
           6.80 
            |  
         
           31.44% 
            |  
      
|  
           2005 
            |  
         
           28.43 
            |  
         
           22.96 
            |  
         
           -5.47 
            |  
         
           -19.24% 
            |  
      
|  
           2006 
            |  
         
           22.96 
            |  
         
           23.90 
              
           |  
         
           0.94 
            |  
         
           4.09% 
            |  
      
|  
           2007 
            |  
         
           23.90 
            |  
         
           17.44 
            |  
         
           -6.46 
            |  
         
           -27.03% 
            |  
      
|  
           2008 
            |  
         
           17.44 
            |  
         
           15.19 
            |  
         
           -2.25 
            |  
         
           -12.90% 
            |  
      
|  
           2009 
            |  
         
           15.19 
            |  
         
           20.40 
              
           |  
         
           5.21 
            |  
         
           34.30% 
            |  
      
|  
           2010 
            |  
         
           20.40 
            |  
         
           22.76 
              
           |  
         
           2.36 
            |  
         
           11.57% 
            |  
      
|  
           2011 
            |  
         
           22.76 
            |  
         
           23.04 
              
           |  
         
           0.28 
            |  
         
           1.23% 
            |  
      
|  
           2012 
            |  
         
           23.04 
            |  
         
           27.22 
              
           |  
         
           4.18 
            |  
         
           18.14% 
            |  
      
|  
           2013 
            |  
         
           27.22 
            |  
         
           30.94 
              
           |  
         
           3.72 
            |  
         
           13.67% 
            |  
      
|  
           2014 
            |  
         
           30.94 
            |  
         
           42.61 
            |  
         
           11.67 
            |  
         
           37.72% 
            |  
      
|  
           2015 
            |  
        
           42.61 
            |  
         
           42.02 
            |  
         
           -0.59 
            |  
         
           -1.38% 
            |  
      
|  
           2016 
            |  
         
           42.02 
            |  
         
           48.88 
            |  
         
           6.86 
            |  
         
           16.33% 
            |  
      
|  
           2017 
            |  
        
           48.88 
            |  
         
           47.73 
            |  
         
           -1.15 
            |  
         
           -2.35% 
            |  
      
|  
           2018 
            |  
        
           47.73 
            |  
         
           35.84 
            |  
         
           -11.89 
            |  
         
           -24.91% 
            |  
      
|  
           2019 
            |  
        
           35.84 
            |  
         
           50.83 
            |  
         
           14.99 
            |  
         
           41.82% 
            |  
      
|  
           2020 
            |  
        
           50.83 
            |  
         
           44.30 
            |  
         
           -6.53 
            |  
         
           -12.85% 
            |  
      
|  
           2021 
            |  
        
           44.30 
            |  
         
           41.16 
            |  
         
           -3.14 
            |  
         
           -7.09% 
            |  
      
|  
           2022 
            |  
        
           41.16 
            |  
         
           32.23 
            |  
         
           -8.93 
            |  
         
           -21.70% 
            |  
      
|  
           2023 
            |  
        
           32.23 
            |  
         
           26.17 
            |  
         
           -6.06 
            |  
         
           -18.80% 
            |  
      
|  
           2024 
            |  
        
           26.17 
            |  
         
           9.60 
            |  
         
           -16.57 
            |  
         
           -63.32% 
            |