| التاريخ | Value | تغيير , % |
|---|---|---|
| 2019 | 1.67 | -96.57 % |
| 2018 | 48.63 | 206.74 % |
| 2017 | 15.85 | -275.12 % |
| 2016 | -9.05 | -341.70 % |
| 2015 | 3.75 | -146.56 % |
| 2014 | -8.05 | -182.12 % |
| 2013 | 9.80 | -158.40 % |
| 2012 | -16.78 | -156.40 % |
| 2011 | 29.74 | -35.72 % |
| 2010 | 46.27 | -1,207.97 % |
| 2009 | -4.18 | -130.21 % |
| 2008 | 13.83 |