| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
875.13 |
|
2019 |
895.45 |
|
2018 |
915.87 |
|
2017 |
937.35 |
|
2016 |
961.47 |
|
2015 |
989.54 |
|
2014 |
1022.9 |
|
2013 |
1061.61 |
|
2012 |
1103.79 |
|
2011 |
1145.64 |
| Surface water produced internally | 34 | billion cubic meters per year (2020) |
| Groundwater produced internally | 3.2 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 2 | billion cubic meters per year (2020) |
| Internal renewable water resources | 35.2 | billion cubic meters per year (2020) |