| Year | Value (Population) |
|---|---|
|
2016 |
21236296 |
|
2015 |
20903254 |
|
2014 |
20562677 |
|
2013 |
20223852 |
|
2012 |
19888197 |
|
2011 |
19532956 |
|
2010 |
19185179 |
|
2009 |
18841380 |
|
2008 |
18502646 |
|
2007 |
18172424 |
| Proportion of population served with open defecation sanitation | 654366 | Population (2014) |
| Proportion of population served with shared sanitation | 998704 | Population (2016) |
| Proportion of population with unimproved sanitation | 1262893 | Population (2016) |