| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
354.95 |
|
2019 |
358.71 |
|
2018 |
362.73 |
|
2017 |
366.91 |
|
2016 |
371.11 |
|
2015 |
375.23 |
|
2014 |
379.19 |
|
2013 |
383 |
|
2012 |
386.74 |
|
2011 |
390.53 |
| Surface water produced internally | 3.1 | billion cubic meters per year (2020) |
| Groundwater produced internally | 1.5 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 0.4 | billion cubic meters per year (2020) |
| Internal renewable water resources | 4.2 | billion cubic meters per year (2020) |