| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
10615.29 |
|
2019 |
10790.14 |
|
2018 |
10977.17 |
|
2017 |
11176.11 |
|
2016 |
11386.08 |
|
2015 |
11606.04 |
|
2014 |
11836.3 |
|
2013 |
12075.82 |
|
2012 |
12319.9 |
|
2011 |
12561.54 |
| Surface water produced internally | 32.7 | billion cubic meters per year (2020) |
| Groundwater produced internally | 6.1 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 4 | billion cubic meters per year (2020) |
| Internal renewable water resources | 34.8 | billion cubic meters per year (2020) |