| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
1061.21 |
|
2019 |
1088.52 |
|
2018 |
1116.97 |
|
2017 |
1146.62 |
|
2016 |
1177.57 |
|
2015 |
1209.89 |
|
2014 |
1243.7 |
|
2013 |
1279.02 |
|
2012 |
1315.69 |
|
2011 |
1353.45 |
| Surface water produced internally | 120 | billion cubic meters per year (2020) |
| Groundwater produced internally | 20 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 18 | billion cubic meters per year (2020) |
| Internal renewable water resources | 122 | billion cubic meters per year (2020) |