Water productivity is calculated as GDP in constant prices of 2010 divided by annual total water withdrawal.
| Date | Valeur | Modifier , % |
|---|---|---|
| 2020 | 19,5 | -16,24 % |
| 2019 | 23,3 | 2,20 % |
| 2018 | 22,8 | 7,35 % |
| 2017 | 21,2 | 5,64 % |
| 2016 | 20,1 | 2,52 % |
| 2015 | 19,6 | 5,05 % |
| 2014 | 18,7 | 1,82 % |
| 2013 | 18,3 | -1,06 % |
| 2012 | 18,5 | 1,54 % |
| 2011 | 18,3 | 16,11 % |
| 2010 | 15,7 | 3,56 % |
| 2009 | 15,2 |