| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
800.36 |
|
2019 |
807.65 |
|
2018 |
815.62 |
|
2017 |
824.25 |
|
2016 |
833.5 |
|
2015 |
843.31 |
|
2014 |
853.71 |
|
2013 |
864.63 |
|
2012 |
875.91 |
|
2011 |
887.25 |
| Surface water produced internally | 5.96 | billion cubic meters per year (2020) |
| Groundwater produced internally | 6.51 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 4.35 | billion cubic meters per year (2020) |
| Internal renewable water resources | 8.12 | billion cubic meters per year (2020) |