Water productivity is calculated as GDP in constant prices of 2010 divided by annual total water withdrawal.
| التاريخ | Value | تغيير , % |
|---|---|---|
| 2021 | 18.9 | -7.00 % |
| 2020 | 20.3 | -21.40 % |
| 2019 | 25.8 | -6.91 % |
| 2018 | 27.7 | -1.88 % |
| 2017 | 28.2 | 0.90 % |
| 2016 | 28.0 | 1.55 % |
| 2015 | 27.6 | -3.51 % |
| 2014 | 28.6 | -1.73 % |
| 2013 | 29.1 | -0.63 % |
| 2012 | 29.2 | -2.03 % |
| 2011 | 29.8 | -3.87 % |
| 2010 | 31.1 |