| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
29547.51 |
|
2019 |
29560.11 |
|
2018 |
29588.15 |
|
2017 |
29629.61 |
|
2016 |
29681.56 |
|
2015 |
29741 |
|
2014 |
29806.83 |
|
2013 |
29876.92 |
|
2012 |
29945.71 |
|
2011 |
30006.33 |
| Surface water produced internally | 4036.00 | billion cubic meters per year (2020) |
| Groundwater produced internally | 788 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 512 | billion cubic meters per year (2020) |
| Internal renewable water resources | 4312.00 | billion cubic meters per year (2020) |