| Year | Value (Population) |
|---|---|
|
2021 |
487002 |
|
2020 |
483204 |
|
2019 |
478953 |
|
2018 |
474682 |
|
2017 |
469978 |
|
2016 |
494437 |
|
2015 |
518025 |
|
2014 |
540859 |
|
2013 |
562853 |
|
2012 |
600838 |
| Proportion of population served with at least basic water | 1169850 | Population (2021) |
| Proportion of population served with piped water | 16113733 | Population (2021) |
| Proportion of population with surface water | 14853 | Population (2021) |