| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
306400.59 |
|
2019 |
307882.56 |
|
2018 |
309368.61 |
|
2017 |
310878.69 |
|
2016 |
312431.94 |
|
2015 |
314034.34 |
|
2014 |
315701.22 |
|
2013 |
317403.87 |
|
2012 |
319036.69 |
|
2011 |
320466.79 |
| Surface water produced internally | 241 | billion cubic meters per year (2020) |
| Groundwater produced internally | 103 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 103 | billion cubic meters per year (2020) |
| Internal renewable water resources | 241 | billion cubic meters per year (2020) |