| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
3172.2 |
|
2019 |
3205.94 |
|
2018 |
3241.12 |
|
2017 |
3277.84 |
|
2016 |
3316.22 |
|
2015 |
3356.36 |
|
2014 |
3398.28 |
|
2013 |
3441.97 |
|
2012 |
3487.55 |
|
2011 |
3535.14 |
| Surface water produced internally | 350 | billion cubic meters per year (2020) |
| Groundwater produced internally | 150 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 91 | billion cubic meters per year (2020) |
| Internal renewable water resources | 409 | billion cubic meters per year (2020) |