| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
597.99 |
|
2019 |
615.12 |
|
2018 |
632.86 |
|
2017 |
651.27 |
|
2016 |
670.37 |
|
2015 |
690.2 |
|
2014 |
710.79 |
|
2013 |
732.16 |
|
2012 |
754.32 |
|
2011 |
777.27 |
| Surface water produced internally | 8 | billion cubic meters per year (2020) |
| Groundwater produced internally | 9.5 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 5 | billion cubic meters per year (2020) |
| Internal renewable water resources | 12.5 | billion cubic meters per year (2020) |