| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
9183.32 |
|
2019 |
9127.66 |
|
2018 |
9070.34 |
|
2017 |
9012.98 |
|
2016 |
8957.84 |
|
2015 |
8906.48 |
|
2014 |
8859.1 |
|
2013 |
8815.42 |
|
2012 |
8775.85 |
|
2011 |
8740.81 |
| Surface water produced internally | 27.2 | billion cubic meters per year (2020) |
| Groundwater produced internally | 11 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 0.5 | billion cubic meters per year (2020) |
| Internal renewable water resources | 37.7 | billion cubic meters per year (2020) |