| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
9581.35 |
|
2019 |
9587.76 |
|
2018 |
9607.53 |
|
2017 |
9633.24 |
|
2016 |
9654.31 |
|
2015 |
9663.01 |
|
2014 |
9656.02 |
|
2013 |
9635.64 |
|
2012 |
9605.8 |
|
2011 |
9572.88 |
| Surface water produced internally | 11.71 | billion cubic meters per year (2020) |
| Groundwater produced internally | 4 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 3 | billion cubic meters per year (2020) |
| Internal renewable water resources | 12.71 | billion cubic meters per year (2020) |