| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
5679.04 |
|
2019 |
5602.21 |
|
2018 |
5518.94 |
|
2017 |
5433.3 |
|
2016 |
5350.3 |
|
2015 |
5273.07 |
|
2014 |
5202.76 |
|
2013 |
5138.03 |
|
2012 |
5076.24 |
|
2011 |
5013.94 |
| Surface water produced internally | 15.36 | billion cubic meters per year (2020) |
| Groundwater produced internally | 1.1 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 1 | billion cubic meters per year (2020) |
| Internal renewable water resources | 15.46 | billion cubic meters per year (2020) |