| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
407.53 |
|
2019 |
417.81 |
|
2018 |
420.89 |
|
2017 |
417.18 |
|
2016 |
408.35 |
|
2015 |
396.28 |
|
2014 |
381.17 |
|
2013 |
364.28 |
|
2012 |
348.94 |
|
2011 |
338.3 |
| Surface water produced internally | 4.29 | billion cubic meters per year (2020) |
| Groundwater produced internally | 4.84 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 2 | billion cubic meters per year (2020) |
| Internal renewable water resources | 7.13 | billion cubic meters per year (2020) |