| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
2163.13 |
|
2019 |
2166.71 |
|
2018 |
2170.95 |
|
2017 |
2175.57 |
|
2016 |
2180.11 |
|
2015 |
2184.28 |
|
2014 |
2187.93 |
|
2013 |
2191.24 |
|
2012 |
2194.68 |
|
2011 |
2198.9 |
| Surface water produced internally | 2.36 | billion cubic meters per year (2020) |
| Groundwater produced internally | 0.89 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 0.5 | billion cubic meters per year (2020) |
| Internal renewable water resources | 2.75 | billion cubic meters per year (2020) |