| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
1259.9 |
|
2019 |
1252.45 |
|
2018 |
1245.31 |
|
2017 |
1238.54 |
|
2016 |
1232.28 |
|
2015 |
1226.58 |
|
2014 |
1221.42 |
|
2013 |
1216.69 |
|
2012 |
1212.22 |
|
2011 |
1207.81 |
| Surface water produced internally | 50.1 | billion cubic meters per year (2020) |
| Groundwater produced internally | 22 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 17 | billion cubic meters per year (2020) |
| Internal renewable water resources | 55.1 | billion cubic meters per year (2020) |