| Year | Water supplied to households by water supply industry (million m3) | Total population (1000) |
|---|---|---|
| 2000 | 378 | 8114 |
| 2001 | 228 | 8191 |
| 2002 | 403 | 8269 |
| 2003 | 372 | 8349 |
| 2004 | 379 | 8447 |
| 2005 | 385 | 8553 |
| 2006 | 397 | 8666.1 |
| 2007 | 356 | 8779.9 |
| 2008 | 356 | 8922.4 |
| 2009 | 340 | 8997.6 |
| 2010 | 360 | 9111.1 |
| 2011 | 441 | 9235.1 |
| 2012 | 459 | 9356.5 |
| 2013 | 454 | 9477.1 |
| 2014 | 461 | 9593 |
| 2015 | 426 | 9705.6 |
| 2016 | 392 | 9810 |
| 2017 | 371 | 9898.1 |