| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
159.17 |
|
2019 |
163.01 |
|
2018 |
166.98 |
|
2017 |
171.05 |
|
2016 |
175.16 |
|
2015 |
179.28 |
|
2014 |
183.35 |
|
2013 |
187.38 |
|
2012 |
191.44 |
|
2011 |
195.68 |
| Surface water produced internally | 0.07 | billion cubic meters per year (2020) |
| Groundwater produced internally | 0.74 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | billion cubic meters per year (2018) | |
| Internal renewable water resources | 0.81 | billion cubic meters per year (2020) |