| Year | Value (cubic meters per year) |
|---|---|
|
2020 |
70.41 |
|
2019 |
72.01 |
|
2018 |
73.69 |
|
2017 |
75.45 |
|
2016 |
77.3 |
|
2015 |
79.25 |
|
2014 |
81.32 |
|
2013 |
83.51 |
|
2012 |
85.81 |
|
2011 |
88.21 |
| Surface water produced internally | 2 | billion cubic meters per year (2020) |
| Groundwater produced internally | 1.5 | billion cubic meters per year (2020) |
| Overlap between surface and groundwater | 1.4 | billion cubic meters per year (2020) |
| Internal renewable water resources | 2.1 | billion cubic meters per year (2020) |