| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
144.59 |
|
2019 |
150.15 |
|
2018 |
155.95 |
|
2017 |
162.02 |
|
2016 |
168.36 |
|
2015 |
174.99 |
|
2014 |
181.91 |
|
2013 |
189.15 |
|
2012 |
196.68 |
|
2011 |
204.5 |
| Surface water produced internally | 1 | billion cubic meters per year (2020) |
| Groundwater produced internally | 2.5 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | billion cubic meters per year (2018) | |
| Internal renewable water resources | 3.5 | billion cubic meters per year (2020) |