Water productivity is calculated as GDP in constant prices of 2010 divided by annual total water withdrawal.
| التاريخ | Value | تغيير , % |
|---|---|---|
| 2021 | 5.5 | 3.29 % |
| 2020 | 5.3 | 3.55 % |
| 2019 | 5.1 | 5.55 % |
| 2018 | 4.9 | 5.33 % |
| 2017 | 4.6 | -18.47 % |
| 2016 | 5.7 | 4.78 % |
| 2015 | 5.4 | 4.03 % |
| 2014 | 5.2 | 23.77 % |
| 2013 | 4.2 | 1.21 % |
| 2012 | 4.2 | 1.31 % |
| 2011 | 4.1 | 4.82 % |
| 2010 | 3.9 |