| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
621.1 |
|
2019 |
619.54 |
|
2018 |
618.08 |
|
2017 |
616.66 |
|
2016 |
615.2 |
|
2015 |
613.63 |
|
2014 |
611.93 |
|
2013 |
610.13 |
|
2012 |
608.25 |
|
2011 |
606.33 |
| Surface water produced internally | 6 | billion cubic meters per year (2020) |
| Groundwater produced internally | 6 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 6 | billion cubic meters per year (2020) |
| Internal renewable water resources | 6 | billion cubic meters per year (2020) |