| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
28309.25 |
|
2019 |
28229.94 |
|
2018 |
27867.09 |
|
2017 |
27378.64 |
|
2016 |
26967.04 |
|
2015 |
26760.34 |
|
2014 |
26794.96 |
|
2013 |
27030.62 |
|
2012 |
27417.47 |
|
2011 |
27866.36 |
| Surface water produced internally | 782.7 | billion cubic meters per year (2020) |
| Groundwater produced internally | 227 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 204.7 | billion cubic meters per year (2020) |
| Internal renewable water resources | 805 | billion cubic meters per year (2020) |