| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
3598.14 |
|
2019 |
3596.97 |
|
2018 |
3596.89 |
|
2017 |
3597.8 |
|
2016 |
3599.54 |
|
2015 |
3601.92 |
|
2014 |
3604.85 |
|
2013 |
3608 |
|
2012 |
3610.47 |
|
2011 |
3611.14 |
| Surface water produced internally | 34 | billion cubic meters per year (2020) |
| Groundwater produced internally | 15.9 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 15.9 | billion cubic meters per year (2020) |
| Internal renewable water resources | 34 | billion cubic meters per year (2020) |