| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
3209.04 |
|
2019 |
3303.03 |
|
2018 |
3400.46 |
|
2017 |
3500.99 |
|
2016 |
3604.03 |
|
2015 |
3709.04 |
|
2014 |
3815.69 |
|
2013 |
3923.98 |
|
2012 |
4034.16 |
|
2011 |
4146.77 |
| Surface water produced internally | 97.3 | billion cubic meters per year (2020) |
| Groundwater produced internally | 17 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 14 | billion cubic meters per year (2020) |
| Internal renewable water resources | 100.3 | billion cubic meters per year (2020) |