| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
1035.88 |
|
2019 |
1039.52 |
|
2018 |
1043.09 |
|
2017 |
1046.71 |
|
2016 |
1050.54 |
|
2015 |
1054.72 |
|
2014 |
1059.29 |
|
2013 |
1064.18 |
|
2012 |
1069.33 |
|
2011 |
1074.7 |
| Surface water produced internally | 3.7 | billion cubic meters per year (2020) |
| Groundwater produced internally | 4.3 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 2 | billion cubic meters per year (2020) |
| Internal renewable water resources | 6 | billion cubic meters per year (2020) |