| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
3654.98 |
|
2019 |
3670.96 |
|
2018 |
3687.76 |
|
2017 |
3705.43 |
|
2016 |
3724.06 |
|
2015 |
3743.66 |
|
2014 |
3764.34 |
|
2013 |
3785.97 |
|
2012 |
3808.06 |
|
2011 |
3829.89 |
| Surface water produced internally | 9.11 | billion cubic meters per year (2020) |
| Groundwater produced internally | 5.47 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 3.76 | billion cubic meters per year (2020) |
| Internal renewable water resources | 10.82 | billion cubic meters per year (2020) |