Water productivity is calculated as GDP in constant prices of 2010 divided by annual total water withdrawal.
| التاريخ | Value | تغيير , % |
|---|---|---|
| 2020 | 66.2 | 1.74 % |
| 2019 | 65.1 | 4.38 % |
| 2018 | 62.3 | 5.82 % |
| 2017 | 58.9 | 3.73 % |
| 2016 | 56.8 | 2.40 % |
| 2015 | 55.5 | 6.92 % |
| 2014 | 51.9 | 9.47 % |
| 2013 | 47.4 | 8.48 % |
| 2012 | 43.7 | 7.09 % |
| 2011 | 40.8 | 6.87 % |
| 2010 | 38.2 | 7.11 % |
| 2009 | 35.6 |