 
 
|      Year  
           |   Beginning Price  
           |   Ending Price  
           |   Gain or Loss 
           |   Percent Gain or Loss  
           | 
| 2007 
           | 23.62 
           | 27.17 
           | 3.55 
           | 15.03% 
           | 
| 2008 
           | 27.17 
           | 12.75 
           | -14.42 
           | -53.07% 
           | 
| 2009 
           | 12.75 
           | 24.11 
           | 11.36 
           | 89.10% 
           | 
| 2010 
           | 24.11 
           | 25.40 
           | 1.29 
           | 5.35% 
           | 
| 2011 
           | 25.40 
           | 21.86 
           | -3.54 
           | -13.94% 
           | 
| 2012 
           | 21.86 
           | 35.82 
           | 13.96 
           | 63.86% 
           | 
| 2013 
           | 35.82 
           | 70.27 
           | 34.45 
           | 96.18% 
           | 
| 2014 
           | 70.27 
           | 111.62 
           | 41.35 
           | 58.84% 
           | 
| 2015 
           | 111.62 
           | 117.72* 
           | 6.10 
           | 5.46% 
           | 
| 2016 
           | 29.43 
           | 21.57 
           | -7.86 
           | -26.71% 
           | 
| 2017 
           | 21.57 
           | 20.91 
           | -0.66 
           | -3.06% 
           | 
| 2018 
           | 20.91 
           | 12.53 
           | -8.38 
           | -40.08% 
           | 
| 2019 
           | 12.53 
           | 14.85 
           | 2.32 
           | 18.52% 
           | 
| 2020 
           | 14.85 
           | 14.58 
           | -0.27 
           | -1.82% 
           | 
| 2021 
           | 14.58 
           | 16.72 
           | 2.14 
           | 14.68% 
           | 
| 2022 
           | 16.72 
           | 6.36 
           | -10.36 
           | -61.96% 
           | 
| 2023 
           | 6.36 
           | 4.46 
           | -1.90 
           | -29.87% 
           | 
| 2024 
           | 4.46 
           | 8.14 
           | 3.68 
           | 82.51% 
           |