Water productivity is calculated as GDP in constant prices of 2010 divided by annual total water withdrawal.
| التاريخ | Value | تغيير , % |
|---|---|---|
| 2021 | 38.0 | 3.60 % |
| 2020 | 36.7 | -8.10 % |
| 2019 | 39.9 | -0.84 % |
| 2018 | 40.2 | 1.06 % |
| 2017 | 39.8 | -1.03 % |
| 2016 | 40.2 | 0.03 % |
| 2015 | 40.2 | 4.26 % |
| 2014 | 38.6 | 6.09 % |
| 2013 | 36.4 | 5.61 % |
| 2012 | 34.4 | 5.06 % |
| 2011 | 32.8 | 5.09 % |
| 2010 | 31.2 |