| Year | Value (Population) |
|---|---|
|
2017 |
377727 |
|
2016 |
366257 |
|
2015 |
354642 |
|
2014 |
342957 |
|
2013 |
331283 |
|
2012 |
312294 |
|
2011 |
295991 |
|
2010 |
278609 |
|
2009 |
260332 |
|
2008 |
241998 |
| Proportion of population served with at least basic water | 14459841 | Population (2022) |
| Proportion of population served with piped water | 591622 | Population (2017) |
| Proportion of population with surface water | 91952 | Population (2017) |