| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
3216.48 |
|
2019 |
3224.53 |
|
2018 |
3233.69 |
|
2017 |
3243.9 |
|
2016 |
3255.12 |
|
2015 |
3267.29 |
|
2014 |
3280.45 |
|
2013 |
3294.62 |
|
2012 |
3309.6 |
|
2011 |
3325.17 |
| Surface water produced internally | 213.3 | billion cubic meters per year (2020) |
| Groundwater produced internally | 41.9 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 30.69 | billion cubic meters per year (2020) |
| Internal renewable water resources | 224.51 | billion cubic meters per year (2020) |