| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
256.48 |
|
2019 |
261.24 |
|
2018 |
266.34 |
|
2017 |
271.74 |
|
2016 |
277.35 |
|
2015 |
283.1 |
|
2014 |
288.95 |
|
2013 |
294.89 |
|
2012 |
300.85 |
|
2011 |
306.78 |
| Surface water produced internally | 9.76 | billion cubic meters per year (2020) |
| Groundwater produced internally | 1.49 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | billion cubic meters per year (2018) | |
| Internal renewable water resources | 11.25 | billion cubic meters per year (2020) |