| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
733.47 |
|
2019 |
752.36 |
|
2018 |
772.23 |
|
2017 |
792.92 |
|
2016 |
814.13 |
|
2015 |
835.6 |
|
2014 |
857.12 |
|
2013 |
878.69 |
|
2012 |
900.5 |
|
2011 |
922.93 |
| Surface water produced internally | 9.5 | billion cubic meters per year (2020) |
| Groundwater produced internally | 7 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 7 | billion cubic meters per year (2020) |
| Internal renewable water resources | 9.5 | billion cubic meters per year (2020) |