| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
1911.86 |
|
2019 |
1919.24 |
|
2018 |
1927.47 |
|
2017 |
1936.43 |
|
2016 |
1945.94 |
|
2015 |
1955.86 |
|
2014 |
1966.14 |
|
2013 |
1976.78 |
|
2012 |
1987.68 |
|
2011 |
1998.76 |
| Surface water produced internally | 2712.00 | billion cubic meters per year (2020) |
| Groundwater produced internally | 828.8 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 727.9 | billion cubic meters per year (2020) |
| Internal renewable water resources | 2812.90 | billion cubic meters per year (2020) |