Table 10.

The predicted and actual values of environmental efficiency in the first quarter of 2021

Airlines	Predicted	Actual
Aeroflot	[1.000, 1.000]	0.990
Air China	[0.878, 0.880]	0.878
All Nippon	[1.000, 1.000]	0.803
Cathay Pacific	[1.000, 1.000]	1.000
China Airlines	[0.851, 0.856]	1.000
China Eastern	[0.882, 0.884]	0.827
China Southern	[1.000, 1.000]	0.877
Eva Air	[1.000, 1.000]	1.000
Hainan	[0.962, 0.966]	1.000
Juneyao	[0.912, 0.912]	0.963
KLM Royal Dutch	[1.000, 1.000]	0.896
Lufthansa	[0.999, 1.000]	1.000
Singapore	[1.000, 1.000]	0.896
Spring	[0.896, 0.899]	1.000
Mean	[0.956, 0.957]	0.938