Water productivity is calculated as GDP in constant prices of 2010 divided by annual total water withdrawal.
| التاريخ | Value | تغيير , % |
|---|---|---|
| 2021 | 1.8 | -1.87 % |
| 2020 | 1.8 | -3.63 % |
| 2019 | 1.9 | -2.18 % |
| 2018 | 1.9 | -2.68 % |
| 2017 | 2.0 | 0.71 % |
| 2016 | 2.0 | 3.47 % |
| 2015 | 1.9 | 1.91 % |
| 2014 | 1.9 | 4.66 % |
| 2013 | 1.8 | 1.96 % |
| 2012 | 1.8 |