| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
3726.69 |
|
2019 |
3715.95 |
|
2018 |
3705.08 |
|
2017 |
3693.43 |
|
2016 |
3680.2 |
|
2015 |
3665 |
|
2014 |
3647.46 |
|
2013 |
3628.37 |
|
2012 |
3610 |
|
2011 |
3595.29 |
| Surface water produced internally | 38 | billion cubic meters per year (2020) |
| Groundwater produced internally | 4 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 4 | billion cubic meters per year (2020) |
| Internal renewable water resources | 38 | billion cubic meters per year (2020) |