| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
31658.72 |
|
2019 |
32168.13 |
|
2018 |
32703.92 |
|
2017 |
33262.16 |
|
2016 |
33836.35 |
|
2015 |
34421.18 |
|
2014 |
35013.84 |
|
2013 |
35615.26 |
|
2012 |
36227.41 |
|
2011 |
36854.34 |
| Surface water produced internally | 133.2 | billion cubic meters per year (2020) |
| Groundwater produced internally | 21 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 17.6 | billion cubic meters per year (2020) |
| Internal renewable water resources | 136.6 | billion cubic meters per year (2020) |