| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
9.77 |
|
2019 |
9.96 |
|
2018 |
10.16 |
|
2017 |
10.37 |
|
2016 |
10.59 |
|
2015 |
10.82 |
|
2014 |
11.06 |
|
2013 |
11.31 |
|
2012 |
11.57 |
|
2011 |
11.83 |
| Surface water produced internally | 0.5 | billion cubic meters per year (2020) |
| Groundwater produced internally | 0.5 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | billion cubic meters per year (2018) | |
| Internal renewable water resources | 1 | billion cubic meters per year (2020) |