| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
1277.09 |
|
2019 |
1281.18 |
|
2018 |
1287.23 |
|
2017 |
1294.48 |
|
2016 |
1301.8 |
|
2015 |
1308.27 |
|
2014 |
1313.68 |
|
2013 |
1318.15 |
|
2012 |
1321.43 |
|
2011 |
1323.35 |
| Surface water produced internally | 106.3 | billion cubic meters per year (2020) |
| Groundwater produced internally | 45.7 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 45 | billion cubic meters per year (2020) |
| Internal renewable water resources | 107 | billion cubic meters per year (2020) |