The highest = the best
| التاريخ | Value | تغيير , % |
|---|---|---|
| 2024 | 4.70 | 0.00 % |
| 2023 | 4.70 | 12.17 % |
| 2022 | 4.19 | -12.71 % |
| 2021 | 4.80 | 10.88 % |
| 2020 | 4.33 | 2.56 % |
| 2019 | 4.22 | 5.47 % |
| 2018 | 4.00 | 25.93 % |
| 2017 | 3.18 | -14.64 % |
| 2016 | 3.72 | 2.90 % |
| 2015 | 3.62 | -11.76 % |
| 2013 | 4.10 | 0.00 % |
| 2012 | 4.10 |