| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
8980.55 |
|
2019 |
8981.77 |
|
2018 |
8985.31 |
|
2017 |
8991.55 |
|
2016 |
9001.02 |
|
2015 |
9014.1 |
|
2014 |
9030.28 |
|
2013 |
9049.44 |
|
2012 |
9072.69 |
|
2011 |
9101.6 |
| Surface water produced internally | 18.52 | billion cubic meters per year (2020) |
| Groundwater produced internally | 13.5 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 13.35 | billion cubic meters per year (2020) |
| Internal renewable water resources | 18.67 | billion cubic meters per year (2020) |