| Year | Inflow (MCM) | Diff (%) | Loss (MCM) | Diff (%) | Energy (GWh) | Diff (%) | Outflow (MCM) | Diff (%) |
| 2014 | 62,328 | −5.6 | 15,809 | −1.0 | 8262 | −0.5 | 56,378 | 0 |
| 2015 | 51,839 | −25.8 | 14,354 | −7.4 | 7876 | −3.7 | 56,378 | 0 |
| 2016 | 49,962 | −37.2 | 12,455 | −18.9 | 7320 | −10.0 | 56,378 | 0 |
| 2017 | 57,448 | −3.7 | 10,999 | −30.5 | 6852 | −17.1 | 56,378 | 0 |
| 2018 | 61,362 | −18.6 | 9470 | −35.8 | 6293 | −21.1 | 56,378 | 0 |
| 2019 | 52,649 | −16.7 | 8923 | −40.0 | 6073 | −24.2 | 56,378 | 0 |
| Mean | 55,931 | −18.9 | 12,002 | −22.0 | 7113 | −12.7 | 56,378 | 0 |