| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
2314.69 |
|
2019 |
2319.01 |
|
2018 |
2323.71 |
|
2017 |
2329.2 |
|
2016 |
2336.06 |
|
2015 |
2344.51 |
|
2014 |
2355.1 |
|
2013 |
2367.14 |
|
2012 |
2378.1 |
|
2011 |
2384.46 |
| Surface water produced internally | 3.95 | billion cubic meters per year (2020) |
| Groundwater produced internally | 4.31 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 1.4 | billion cubic meters per year (2020) |
| Internal renewable water resources | 6.86 | billion cubic meters per year (2020) |