| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
531 |
|
2019 |
535.43 |
|
2018 |
540.06 |
|
2017 |
544.92 |
|
2016 |
550.11 |
|
2015 |
555.76 |
|
2014 |
561.79 |
|
2013 |
568.21 |
|
2012 |
575.16 |
|
2011 |
582.61 |
| Surface water produced internally | 43.82 | billion cubic meters per year (2020) |
| Groundwater produced internally | 43.82 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 43.82 | billion cubic meters per year (2020) |
| Internal renewable water resources | 0.05 | billion cubic meters per year (2020) |