| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
755.37 |
|
2019 |
765.05 |
|
2018 |
775.19 |
|
2017 |
785.83 |
|
2016 |
797.04 |
|
2015 |
808.86 |
|
2014 |
821.35 |
|
2013 |
834.46 |
|
2012 |
847.96 |
|
2011 |
861.48 |
| Surface water produced internally | 43 | billion cubic meters per year (2020) |
| Groundwater produced internally | 4.8 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 3 | billion cubic meters per year (2020) |
| Internal renewable water resources | 44.8 | billion cubic meters per year (2020) |