| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
17208.83 |
|
2019 |
17696 |
|
2018 |
18204.82 |
|
2017 |
18727.96 |
|
2016 |
19253 |
|
2015 |
19768.92 |
|
2014 |
20267.27 |
|
2013 |
20747.62 |
|
2012 |
21216.61 |
|
2011 |
21688.08 |
| Surface water produced internally | 226 | billion cubic meters per year (2020) |
| Groundwater produced internally | 38 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 38 | billion cubic meters per year (2020) |
| Internal renewable water resources | 226 | billion cubic meters per year (2020) |