The highest = the best
| التاريخ | Value | تغيير , % |
|---|---|---|
| 2023 | 5.60 | 5.86 % |
| 2022 | 5.29 | -8.79 % |
| 2021 | 5.80 | -2.26 % |
| 2020 | 5.93 | -0.49 % |
| 2019 | 5.96 | -0.60 % |
| 2018 | 6.00 | -2.07 % |
| 2017 | 6.13 | 3.27 % |
| 2016 | 5.93 | 0.10 % |
| 2015 | 5.93 | -5.94 % |
| 2014 | 6.30 | 0.00 % |
| 2013 | 6.30 | -0.47 % |
| 2012 | 6.33 |