| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
3427.12 |
|
2019 |
3468.74 |
|
2018 |
3512.63 |
|
2017 |
3559.18 |
|
2016 |
3608.9 |
|
2015 |
3662.07 |
|
2014 |
3719.09 |
|
2013 |
3779.49 |
|
2012 |
3841.44 |
|
2011 |
3902.21 |
| Surface water produced internally | 56.5 | billion cubic meters per year (2020) |
| Groundwater produced internally | 33.85 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 26 | billion cubic meters per year (2020) |
| Internal renewable water resources | 64.35 | billion cubic meters per year (2020) |