Water productivity is calculated as GDP in constant prices of 2010 divided by annual total water withdrawal.
| التاريخ | Value | تغيير , % |
|---|---|---|
| 2021 | 10.5 | 29.06 % |
| 2020 | 8.1 | -43.76 % |
| 2019 | 14.4 | -3.03 % |
| 2018 | 14.9 | -1.83 % |
| 2017 | 15.1 | -1.34 % |
| 2016 | 15.3 | -1.95 % |
| 2015 | 15.6 | -5.47 % |
| 2014 | 16.6 | -6.13 % |
| 2013 | 17.6 | -6.69 % |
| 2012 | 18.9 | -6.85 % |
| 2011 | 20.3 | -4.92 % |
| 2010 | 21.3 |