the highest = the best
| التاريخ | Value | تغيير , % |
|---|---|---|
| 2021 | 76.34 | -0.51 % |
| 2020 | 76.73 | -0.25 % |
| 2019 | 76.92 | 0.38 % |
| 2018 | 76.63 | 0.50 % |
| 2017 | 76.25 | 0.00 % |
| 2016 | 76.25 | 0.04 % |
| 2015 | 76.21 | 0.43 % |
| 2014 | 75.89 | 0.25 % |
| 2013 | 75.70 | -0.58 % |
| 2012 | 76.14 | 0.11 % |
| 2011 | 76.05 | 0.61 % |
| 2010 | 75.59 |