| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
2378.37 |
|
2019 |
2379.28 |
|
2018 |
2381.52 |
|
2017 |
2383.84 |
|
2016 |
2384.52 |
|
2015 |
2382.59 |
|
2014 |
2377.19 |
|
2013 |
2369.46 |
|
2012 |
2362.79 |
|
2011 |
2361.72 |
| Surface water produced internally | 109.5 | billion cubic meters per year (2020) |
| Groundwater produced internally | 29.9 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 28.2 | billion cubic meters per year (2020) |
| Internal renewable water resources | 111.2 | billion cubic meters per year (2020) |