The highest = the best
| التاريخ | Value | تغيير , % |
|---|---|---|
| 2024 | 4.30 | 0.00 % |
| 2023 | 4.30 | 2.63 % |
| 2022 | 4.19 | -10.85 % |
| 2021 | 4.70 | -3.35 % |
| 2020 | 4.86 | -3.74 % |
| 2019 | 5.05 | 4.12 % |
| 2018 | 4.85 | -4.90 % |
| 2017 | 5.10 | 10.17 % |
| 2016 | 4.63 | 6.73 % |
| 2015 | 4.34 | -7.68 % |
| 2014 | 4.70 | -4.08 % |
| 2013 | 4.90 |