| Year | Value (Population) |
|---|---|
|
2020 |
914108 |
|
2019 |
906288 |
|
2018 |
898126 |
|
2017 |
889574 |
|
2016 |
880719 |
|
2015 |
871459 |
|
2014 |
862114 |
|
2013 |
852676 |
|
2012 |
843153 |
|
2011 |
833559 |
| Proportion of population served with at least basic water | 1769561 | Population (2020) |
| Proportion of population served with piped water | 4711634 | Population (2020) |
| Proportion of population with surface water | 219842 | Population (2020) |