| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
1597.5 |
|
2019 |
1624.09 |
|
2018 |
1654.96 |
|
2017 |
1689.45 |
|
2016 |
1726.33 |
|
2015 |
1764.47 |
|
2014 |
1803.37 |
|
2013 |
1843.11 |
|
2012 |
1883.75 |
|
2011 |
1925.64 |
| Surface water produced internally | 1 | billion cubic meters per year (2020) |
| Groundwater produced internally | 0.08 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 0.08 | billion cubic meters per year (2020) |
| Internal renewable water resources | 1 | billion cubic meters per year (2020) |