Water productivity is calculated as GDP in constant prices of 2010 divided by annual total water withdrawal.
| Date | Valeur | Modifier , % |
|---|---|---|
| 2020 | 26,2 | -2,92 % |
| 2019 | 27,0 | -0,19 % |
| 2018 | 27,0 | 0,53 % |
| 2017 | 26,9 | 2,29 % |
| 2016 | 26,3 | -6,85 % |
| 2015 | 28,2 | -1,79 % |
| 2014 | 28,7 | 4,19 % |
| 2013 | 27,6 | 6,76 % |
| 2012 | 25,8 | 5,50 % |
| 2011 | 24,5 | 7,50 % |
| 2010 | 22,8 | 1,51 % |
| 2009 | 22,4 |