| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
384.96 |
|
2019 |
393.73 |
|
2018 |
402.78 |
|
2017 |
412.18 |
|
2016 |
422.01 |
|
2015 |
432.35 |
|
2014 |
443.25 |
|
2013 |
454.75 |
|
2012 |
466.81 |
|
2011 |
479.41 |
| Surface water produced internally | 20.2 | billion cubic meters per year (2020) |
| Groundwater produced internally | 3.5 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 3 | billion cubic meters per year (2020) |
| Internal renewable water resources | 20.7 | billion cubic meters per year (2020) |