| Water Year | Total River Inflow (gigalitres, GL) | Consumptive Water Extraction (gigalitres, GL) |
|---|---|---|
| 2015–16 | 3200 | 2400 |
| 2018–19 | 1800 | 1170 |
| 2021–22 | 4500 | 3150 |
Using the table above, calculate consumptive water extraction as a percentage of total river inflow in the 2018–19 water year.
