| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
1020.57 |
|
2019 |
1041.8 |
|
2018 |
1064.74 |
|
2017 |
1088.4 |
|
2016 |
1111.15 |
|
2015 |
1131.69 |
|
2014 |
1149.09 |
|
2013 |
1163.61 |
|
2012 |
1176.73 |
|
2011 |
1190.83 |
| Surface water produced internally | 0.8 | billion cubic meters per year (2020) |
| Groundwater produced internally | 1.7 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 0.1 | billion cubic meters per year (2020) |
| Internal renewable water resources | 2.4 | billion cubic meters per year (2020) |