| Year | Gross Domestic Products at Purchasing Power Parity at constant prices (1000 international dollars) | Total freshwater use per unit of GDP (m3) |
|---|---|---|
| 1990 | 24.8 | 145.8 |
| 1995 | 7.9 | 167.6 |
| 2000 | 11.4 | 77.5 |
| 2001 | 12.3 | 86.5 |
| 2002 | 13.1 | 69.2 |
| 2003 | 14.9 | 55.2 |
| 2004 | 16.2 | 47.9 |
| 2005 | 18.3 | 48.4 |
| 2006 | 20.6 | 46.8 |
| 2007 | 23.8 | 51.6 |
| 2008 | 24.8 | 55.9 |
| 2009 | 24.1 | 54 |
| 2010 | 25.9 | 56 |
| 2011 | 28.3 | 56.1 |
| 2012 | 30.7 | 57.7 |
| 2013 | 32.3 | 50.1 |
| 2014 | 34.3 | 46.1 |
| 2015 | 35.8 | 38.9 |