| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
9947.12 |
|
2019 |
10136.89 |
|
2018 |
10330.38 |
|
2017 |
10526.87 |
|
2016 |
10726.92 |
|
2015 |
10931.04 |
|
2014 |
11137.96 |
|
2013 |
11349.02 |
|
2012 |
11570.88 |
|
2011 |
11814.18 |
| Surface water produced internally | 14.70 | billion cubic meters per year (2022) |
| Groundwater produced internally | -3.503 | billion cubic meters per year (2027) |
| Overlap between surface and groundwater | 15.20 | billion cubic meters per year (2022) |
| Internal renewable water resources | 2.18 | billion cubic meters per year (2020) |