| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
274.15 |
|
2019 |
281.41 |
|
2018 |
289.89 |
|
2017 |
300.05 |
|
2016 |
312.55 |
|
2015 |
328.07 |
|
2014 |
347.63 |
|
2013 |
371.87 |
|
2012 |
400.23 |
|
2011 |
430.62 |
| Surface water produced internally | 1.05 | billion cubic meters per year (2020) |
| Groundwater produced internally | 1.3 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 0.95 | billion cubic meters per year (2020) |
| Internal renewable water resources | 1.4 | billion cubic meters per year (2020) |