| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
824.87 |
|
2019 |
837.12 |
|
2018 |
849.1 |
|
2017 |
861.16 |
|
2016 |
873.82 |
|
2015 |
887.47 |
|
2014 |
902.35 |
|
2013 |
918.33 |
|
2012 |
934.8 |
|
2011 |
950.81 |
| Surface water produced internally | 11.26 | billion cubic meters per year (2020) |
| Groundwater produced internally | 6 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 5 | billion cubic meters per year (2020) |
| Internal renewable water resources | 12.26 | billion cubic meters per year (2020) |