| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
4084.64 |
|
2019 |
4091.16 |
|
2018 |
4098.38 |
|
2017 |
4098.65 |
|
2016 |
4082.95 |
|
2015 |
4045.58 |
|
2014 |
3984.19 |
|
2013 |
3907.2 |
|
2012 |
3828.84 |
|
2011 |
3768.49 |
| Surface water produced internally | 14.70 | billion cubic meters per year (2022) |
| Groundwater produced internally | -3.503 | billion cubic meters per year (2027) |
| Overlap between surface and groundwater | 15.20 | billion cubic meters per year (2022) |
| Internal renewable water resources | billion cubic meters per year (2020) |