| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
1140.71 |
|
2019 |
1154.84 |
|
2018 |
1169.36 |
|
2017 |
1184.35 |
|
2016 |
1199.91 |
|
2015 |
1216.11 |
|
2014 |
1233.01 |
|
2013 |
1250.59 |
|
2012 |
1268.86 |
|
2011 |
1287.78 |
| Surface water produced internally | 10.85 | billion cubic meters per year (2020) |
| Groundwater produced internally | 2.16 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | billion cubic meters per year (2018) | |
| Internal renewable water resources | 13.01 | billion cubic meters per year (2020) |