| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
18430.5 |
|
2019 |
18554.76 |
|
2018 |
18671.22 |
|
2017 |
18785.17 |
|
2016 |
18904.63 |
|
2015 |
19035.42 |
|
2014 |
19181.03 |
|
2013 |
19339.48 |
|
2012 |
19504.53 |
|
2011 |
19666.36 |
| Surface water produced internally | 992.1 | billion cubic meters per year (2020) |
| Groundwater produced internally | 453.7 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 443 | billion cubic meters per year (2020) |
| Internal renewable water resources | 1002.80 | billion cubic meters per year (2020) |