Water productivity is calculated as GDP in constant prices of 2010 divided by annual total water withdrawal.
| Date | Valeur | Modifier , % |
|---|---|---|
| 2020 | 31,4 | 2,16 % |
| 2019 | 30,8 | 4,92 % |
| 2018 | 29,3 | 4,80 % |
| 2017 | 28,0 | 4,01 % |
| 2016 | 26,9 | 4,21 % |
| 2015 | 25,8 | 5,47 % |
| 2014 | 24,5 | 5,63 % |
| 2013 | 23,2 | 5,82 % |
| 2012 | 21,9 | 6,30 % |
| 2011 | 20,6 | 5,82 % |
| 2010 | 19,5 | 5,85 % |
| 2009 | 18,4 |