An Eco-Inefficiency Dominance Probability Approach for Chinese Banking Operations Based on Data Envelopment Analysis

Table 3

Descriptive statistics for input-output measures.

Year	Statistics	x1	x2	x3	y1	y2	z1
2014	Max	493583	196238	271132	849879	165370	2.7100
	Min	1089	412.01	1151.41	3533.90	109.48	0.7500
	Mean	67582	28499.15	48231.62	154112.69	25685.99	1.2531
	SD	135316	55898.04	78151.35	235785.69	44163.22	0.4237
2015	Max	503082	221502	306395	871779	189780	2.3900
	Min	1180	418.04	1245.26	3486.11	130.69	0.8300
	Mean	69772	31335.97	57387.23	162109.41	30344.05	1.5308
	SD	136444	60262.26	87459.17	243294.78	49419.92	0.4226
2016	Max	496698	243619	282712	791480	204045	2.4100
	Min	1352	413.99	1235.88	3268.89	162.62	0.8700
	Mean	70266	34778.86	58285.96	151790.21	35560.52	1.6013
	SD	134489	65118.10	85168.72	220693.57	57189.80	0.3678
2017	Max	487307	245687	331518	861594	204424	2.3900
	Min	1426	462.93	1260.89	3789.14	166.05	0.8200
	Mean	69782	36383.26	60079.96	166927.92	35168.24	1.5431
	SD	132071	66621.76	91681.04	239463.71	53045.31	0.3240
2018	Max	473691	253525	368966	948094	201271	2.4700
	Min	1454	418.08	1733.55	4567.00	203.17	0.7800
	Mean	69354	38380.34	67444.02	183050.26	39183.08	1.5034
	SD	129697	70061.74	100964.72	261751.20	55000.40	0.3382