| Year | Value (Population) |
|---|---|
|
2022 |
329221 |
|
2021 |
326158 |
|
2020 |
322883 |
|
2019 |
306742 |
|
2018 |
276237 |
|
2017 |
317321 |
|
2016 |
355232 |
|
2015 |
398533 |
|
2014 |
454672 |
|
2013 |
507687 |
| Proportion of population served with piped water | 3534457 | Population (2022) |
| Proportion of population with unimproved water | 4576 | Population (2017) |
| Proportion of population with surface water | 10101 | Population (2017) |