| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
975.12 |
|
2019 |
996.13 |
|
2018 |
1017.9 |
|
2017 |
1040.47 |
|
2016 |
1063.83 |
|
2015 |
1088 |
|
2014 |
1112.97 |
|
2013 |
1138.77 |
|
2012 |
1165.54 |
|
2011 |
1193.49 |
| Surface water produced internally | 29 | billion cubic meters per year (2020) |
| Groundwater produced internally | 26.3 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 25 | billion cubic meters per year (2020) |
| Internal renewable water resources | 30.3 | billion cubic meters per year (2020) |