| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
8981.03 |
|
2019 |
8884.26 |
|
2018 |
8784.22 |
|
2017 |
8682.3 |
|
2016 |
8580.4 |
|
2015 |
8479.86 |
|
2014 |
8381.08 |
|
2013 |
8283.79 |
|
2012 |
8187.47 |
|
2011 |
8091.29 |
| Surface water produced internally | 16.54 | billion cubic meters per year (2020) |
| Groundwater produced internally | 4.7 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 4.3 | billion cubic meters per year (2020) |
| Internal renewable water resources | 16.94 | billion cubic meters per year (2020) |