| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
2.35 |
|
2019 |
2.44 |
|
2018 |
2.55 |
|
2017 |
2.68 |
|
2016 |
2.81 |
|
2015 |
2.92 |
|
2014 |
2.99 |
|
2013 |
3.04 |
|
2012 |
3.08 |
|
2011 |
3.13 |
| Surface water produced internally | billion cubic meters per year (2018) | |
| Groundwater produced internally | billion cubic meters per year (2018) | |
| Overlap between surface and groundwater | billion cubic meters per year (2018) | |
| Internal renewable water resources | billion cubic meters per year (2018) |