| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
488.21 |
|
2019 |
495.43 |
|
2018 |
503.14 |
|
2017 |
511.27 |
|
2016 |
519.69 |
|
2015 |
528.3 |
|
2014 |
537.03 |
|
2013 |
545.89 |
|
2012 |
554.85 |
|
2011 |
563.9 |
| Surface water produced internally | 9.54 | billion cubic meters per year (2020) |
| Groundwater produced internally | 8.8 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 2 | billion cubic meters per year (2020) |
| Internal renewable water resources | 16.34 | billion cubic meters per year (2020) |