| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
3692.47 |
|
2019 |
3726.02 |
|
2018 |
3761.75 |
|
2017 |
3799.34 |
|
2016 |
3838.3 |
|
2015 |
3878.2 |
|
2014 |
3918.93 |
|
2013 |
3960.44 |
|
2012 |
4002.36 |
|
2011 |
4044.27 |
| Surface water produced internally | 323 | billion cubic meters per year (2020) |
| Groundwater produced internally | 71.42 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 35 | billion cubic meters per year (2020) |
| Internal renewable water resources | 359.42 | billion cubic meters per year (2020) |