| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
962.19 |
|
2019 |
958.36 |
|
2018 |
955.04 |
|
2017 |
952.14 |
|
2016 |
949.52 |
|
2015 |
947.08 |
|
2014 |
944.79 |
|
2013 |
942.6 |
|
2012 |
940.37 |
|
2011 |
937.89 |
| Surface water produced internally | 71.80 | billion cubic meters per year (2022) |
| Groundwater produced internally | 14.70 | billion cubic meters per year (2022) |
| Overlap between surface and groundwater | -3.503 | billion cubic meters per year (2027) |
| Internal renewable water resources | billion cubic meters per year (2020) |