| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
703.25 |
|
2019 |
700.15 |
|
2018 |
699.77 |
|
2017 |
703.88 |
|
2016 |
714.89 |
|
2015 |
734.77 |
|
2014 |
766.65 |
|
2013 |
811.77 |
|
2012 |
866.8 |
|
2011 |
922.72 |
| Surface water produced internally | 4.1 | billion cubic meters per year (2020) |
| Groundwater produced internally | 3.2 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 2.5 | billion cubic meters per year (2020) |
| Internal renewable water resources | 4.8 | billion cubic meters per year (2020) |