Water productivity is calculated as GDP in constant prices of 2010 divided by annual total water withdrawal.
| Дата | Значение | Изменение, % |
|---|---|---|
| 2014 | 319,5 | 5,04% |
| 2012 | 304,2 | 3,27% |
| 2007 | 294,6 | 113,26% |
| 2002 | 138,1 | -10,84% |
| 1997 | 154,9 | 14,77% |
| 1992 | 135,0 | 3,78% |
| 1987 | 130,1 | 41,42% |
| 1982 | 92,0 |