Water productivity is calculated as GDP in constant prices of 2010 divided by annual total water withdrawal.
| Дата | Значение | Изменение, % |
|---|---|---|
| 2014 | 309,6 | 3,81% |
| 2012 | 298,2 | 17,17% |
| 2007 | 254,5 | 30,49% |
| 2002 | 195,0 | 12,30% |
| 1997 | 173,7 | 10,16% |
| 1992 | 157,7 | 8,63% |
| 1987 | 145,1 | 8,81% |
| 1982 | 133,4 |