 
 
|      Year  
           |   Beginning Price  
           |   Ending Price  
           |   Gain or Loss 
           |   Percent Gain or Loss  
           | 
| 2008 
           | 17.33 
           | 5.64 
           | -11.69 
           | -67.46% 
           | 
| 2009 
           | 5.64 
           | 9.06 
           | 3.42 
           | 60.64% 
           | 
| 2010 
           | 9.06 
           | 16.36 
           | 7.30 
           | 80.57% 
           | 
| 2011 
           | 16.36 
           | 14.48 
           | -1.88 
           | -11.49% 
           | 
| 2012 
           | 14.48 
           | 16.43 
           | 1.95 
           | 13.47% 
           | 
| 2013 
           | 16.43 
           | 38.09 
           | 21.66 
           | 131.83% 
           | 
| 2014 
           | 38.09 
           | 41.67 
           | 3.58 
           | 9.40% 
           | 
| 2015 
           | 41.67 
           | 41.34 
           | -0.33 
           | -0.79% 
           | 
| 2016 
           | 41.34 
           | 25.12 
           | -16.22 
           | -39.24% 
           | 
| 2017 
           | 25.12 
           | 44.08 
           | 18.96 
           | 75.48% 
           | 
| 2018 
           | 44.08 
           | 42.59 
           | -1.49 
           | -3.38% 
           | 
| 2019 
           | 42.59 
           | 45.33 
           | 2.74 
           | 6.43% 
           | 
| 2020 
           | 45.33 
           | 51.13 
           | 5.80 
           | 12.80% 
           | 
| 2021 
           | 51.13 
           | 51.35* 
           | 0.22 
           | 0.43% 
           |