| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
637.56 |
|
2019 |
643.99 |
|
2018 |
650.65 |
|
2017 |
657.54 |
|
2016 |
664.65 |
|
2015 |
671.97 |
|
2014 |
679.54 |
|
2013 |
687.35 |
|
2012 |
695.34 |
|
2011 |
703.41 |
| Surface water produced internally | 83.91 | billion cubic meters per year (2020) |
| Groundwater produced internally | 21.09 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | billion cubic meters per year (2018) | |
| Internal renewable water resources | 105 | billion cubic meters per year (2020) |