Table 4.
Descriptive statistics of the quarterly inputs and outputs during 2021–2022
| Variable | Mean | Std. dev | Min | Max | ||||
|---|---|---|---|---|---|---|---|---|
| Low | Up | Low | Up | Low | Up | Low | Up | |
| Inputs | ||||||||
| Operating costs (1,000,000 dollars) | 1984.01 | 2019.83 | 1401.73 | 1495.73 | 79.32 | 79.32 | 5379.86 | 5969.24 |
| Available seat kilometers (million) | 18766.41 | 19427.58 | 14415.49 | 14426.04 | 839.73 | 1348.00 | 57232.80 | 57232.80 |
| Available tonne kilometers (million) | 2728.72 | 2747.54 | 2054.96 | 2079.73 | 949.30 | 1049.04 | 8924.17 | 8924.17 |
| Desirable outputs | ||||||||
| Operating revenue (1,000,000 dollars) | 1495.96 | 1544.40 | 990.71 | 1047.25 | 61.66 | 61.66 | 3981.01 | 4636.64 |
| Revenue passenger kilometers (million passenger-km) | 12084.01 | 13384.51 | 9768.49 | 10246.13 | 224.00 | 224.00 | 42011.22 | 42011.22 |
| Revenue tonne kilometers (million tonne-km) | 1759.40 | 1792.01 | 1137.62 | 1143.58 | 572.19 | 600.75 | 5491.91 | 5491.91 |
| Undesirable outputs | ||||||||
| CO2 (1,000,000 tonnes) | 1.68 | 1.77 | 1.43 | 1.49 | 0.02 | 0.08 | 4.99 | 4.99 |