Water productivity is calculated as GDP in constant prices of 2010 divided by annual total water withdrawal.
| التاريخ | Value | تغيير , % |
|---|---|---|
| 2021 | 35.7 | 3.34 % |
| 2020 | 34.5 | 0.26 % |
| 2019 | 34.5 | 3.48 % |
| 2018 | 33.3 | 3.96 % |
| 2017 | 32.0 | 3.54 % |
| 2016 | 30.9 | 4.54 % |
| 2015 | 29.6 | 5.67 % |
| 2014 | 28.0 | 5.72 % |
| 2013 | 26.5 | 5.00 % |
| 2012 | 25.2 | 4.63 % |
| 2011 | 24.1 | 3.38 % |
| 2010 | 23.3 |