| Year | Total water use by households (million m3) | Population (1000) |
|---|---|---|
| 2000 | 155 | 3221.11 |
| 2001 | 153 | 3211.81 |
| 2002 | 140 | 3199.77 |
| 2003 | 116 | 3182.54 |
| 2004 | 105.6 | 3164.93 |
| 2005 | 101.8 | 3146.41 |
| 2006 | 102.5 | 3127.11 |
| 2007 | 107.8 | 3107.4 |
| 2008 | 115.8 | 3087.12 |
| 2009 | 61.4 | 3066.04 |
| 2010 | 67.1 | 3044.87 |
| 2011 | 74.8 | 3027.94 |
| 2012 | 75.3 | 3024.13 |
| 2013 | 83.7 | 3021.98 |
| 2014 | 122.3 | 3013.84 |
| 2015 | 96.5 | 3004.6 |
| 2016 | 107.8 | 2992.3 |
| 2017 | 107.6 | 2979.5 |