| Year | Net volume of water supplied by water supply industry (million m3) | Losses during transport (million m3) |
|---|---|---|
| 2000 | 204.8 | 398.4 |
| 2001 | 196.4 | 372.8 |
| 2002 | 182.3 | 369.9 |
| 2003 | 163.9 | 421.6 |
| 2004 | 124.9 | 440.9 |
| 2005 | 116.3 | 479.6 |
| 2006 | 134.3 | 459.9 |
| 2007 | 93.7 | 515.1 |
| 2008 | 99.5 | 519.3 |
| 2009 | 93.4 | 503.9 |
| 2010 | 93.3 | 466.3 |
| 2011 | 96.8 | 420 |
| 2012 | 104.4 | 431.3 |
| 2013 | 108.8 | 416.4 |
| 2014 | 112.3 | 387.9 |
| 2015 | 117.7 | 378.6 |
| 2016 | 119.7 | 360.1 |
| 2017 | 121.2 | 451 |