| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
16931.93 |
|
2019 |
17038.02 |
|
2018 |
17148.64 |
|
2017 |
17264.19 |
|
2016 |
17385.1 |
|
2015 |
17511.61 |
|
2014 |
17643.18 |
|
2013 |
17779.13 |
|
2012 |
17919.25 |
|
2011 |
18063.3 |
| Surface water produced internally | 170 | billion cubic meters per year (2020) |
| Groundwater produced internally | 20 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 19 | billion cubic meters per year (2020) |
| Internal renewable water resources | 171 | billion cubic meters per year (2020) |