the highest = the best
| التاريخ | Value | تغيير , % |
|---|---|---|
| 2021 | 61.04 | -0.33 % |
| 2020 | 61.24 | -0.12 % |
| 2019 | 61.31 | 0.19 % |
| 2018 | 61.20 | 0.09 % |
| 2017 | 61.14 | -0.11 % |
| 2016 | 61.21 | -0.12 % |
| 2015 | 61.28 | 0.30 % |
| 2014 | 61.10 | -0.34 % |
| 2013 | 61.30 | 0.06 % |
| 2012 | 61.27 | 1.21 % |
| 2011 | 60.53 | 0.41 % |
| 2010 | 60.29 |