| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
2962.84 |
|
2019 |
3052.19 |
|
2018 |
3145.03 |
|
2017 |
3241.07 |
|
2016 |
3339.75 |
|
2015 |
3440.61 |
|
2014 |
3543.12 |
|
2013 |
3647.45 |
|
2012 |
3754.81 |
|
2011 |
3867.33 |
| Surface water produced internally | 50 | billion cubic meters per year (2020) |
| Groundwater produced internally | 20 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 10 | billion cubic meters per year (2020) |
| Internal renewable water resources | 60 | billion cubic meters per year (2020) |