Table 6.

DEA window analysis for pure technical efficiency over 7 years

		M-3	M-2	M-1	M	M + 1	M + 2	M + 3	Avg
A	Window1	0.9910	0.9910	1.0000					0.9940
	Window2		0.9880	1.0000	1.0000				0.9960
	Window3			1.0000	0.9590	1.0000			0.9863
	Window4				0.9390	0.9790	1.0000		0.9727
	Window5					0.9570	1.0000	1.0000	0.9857
B	Window1	0.9650	1.0000	1.0000					0.9883
	Window2		1.0000	1.0000	1.0000				1.0000
	Window3			1.0000	0.9970	1.0000			0.9990
	Window4				1.0000	0.9810	1.0000		0.9937
	Window5					0.9390	0.9550	1.0000	0.9647
C	Window1	1.0000	1.0000	1.0000					1.0000
	Window2		1.0000	1.0000	1.0000				1.0000
	Window3			1.0000	0.9310	1.0000			0.9770
	Window4				1.0000	0.9730	1.0000		0.9910
	Window5					1.0000	0.9820	1.0000	0.9940
D	Window1	0.9650	0.9060	0.9250					0.9320
	Window2		0.9060	0.9240	0.8890				0.9063
	Window3			0.9250	0.9210	1.0000			0.9487
	Window4				1.0000	1.0000	0.9470		0.9823
	Window5					1.0000	0.9570	0.9460	0.9677
E	Window1	1.0000	1.0000	1.0000					1.0000
	Window2		1.0000	1.0000	0.9750				0.9917
	Window3			1.0000	1.0000	1.0000			1.0000
	Window4				1.0000	0.9820	1.0000		0.9940
	Window5					1.0000	1.0000	1.0000	1.0000
	Avg	0.9842	0.9791	0.9849	0.9741	0.9874	0.9841	0.9892	0.9833