| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
1540.86 |
|
2019 |
1583.18 |
|
2018 |
1627.32 |
|
2017 |
1673.22 |
|
2016 |
1720.74 |
|
2015 |
1769.73 |
|
2014 |
1820.14 |
|
2013 |
1871.95 |
|
2012 |
1925.09 |
|
2011 |
1979.47 |
| Surface water produced internally | 23.8 | billion cubic meters per year (2020) |
| Groundwater produced internally | 3.5 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 1.5 | billion cubic meters per year (2020) |
| Internal renewable water resources | 25.8 | billion cubic meters per year (2020) |