| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
4503.1 |
|
2019 |
4650.39 |
|
2018 |
4803.67 |
|
2017 |
4963.65 |
|
2016 |
5131.32 |
|
2015 |
5307.63 |
|
2014 |
5493.33 |
|
2013 |
5688.85 |
|
2012 |
5894.55 |
|
2011 |
6110.49 |
| Surface water produced internally | 145 | billion cubic meters per year (2020) |
| Groundwater produced internally | 58 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 55 | billion cubic meters per year (2020) |
| Internal renewable water resources | 148 | billion cubic meters per year (2020) |