Area	2010	2011	2012	2013	2014	2015	$\bar{Y n}$
Beijing	0.8842	0.8635	0.8922	0.8894	0.8833	0.8973	0.8850
Tianjin	0.9148	0.9108	0.9161	0.9258	0.9399	0.9049	0.9187
Liaoning	0.9105	0.9098	0.8921	0.8693	0.9028	0.9077	0.8987
Heilongjiang	0.8804	0.8902	0.9020	0.9065	0.9154	0.8894	0.8973
Shanghai	0.8500	0.8797	0.9084	0.8821	0.9089	0.8825	0.8853
Jiangsu	0.9023	0.9463	0.9483	0.9216	0.9411	0.9512	0.9351
Zhejiang	0.9017	0.8898	0.8913	0.9133	0.9167	0.8919	0.9008
Anhui	0.9096	0.9162	0.9193	0.9138	0.8918	0.9040	0.9091
Jiangxi	0.7976	0.8500	0.8046	0.8261	0.9187	0.9241	0.8535
Shandong	0.8952	0.9172	0.9095	0.9127	0.9487	0.9479	0.9219
Henan	0.9040	0.9136	0.8969	0.8294	0.8823	0.9000	0.8877
Hubei	0.8733	0.8902	0.8866	0.8709	0.9051	0.9138	0.8900
Hunan	0.8618	0.8855	0.9248	0.9057	0.9170	0.8997	0.8991
Guangdong	0.9409	0.8179	0.8389	0.8442	0.9496	0.9482	0.8899
Sichuan	0.9053	0.8961	0.8962	0.8885	0.9032	0.8784	0.8946
Guizhou	0.8085	0.8225	0.8352	0.7786	0.7276	0.7581	0.7884
Shaanxi	0.7363	0.7433	0.6868	0.0951	0.6435	0.0324	0.4896
$\bar{Y m}$	0.8751	0.8790	0.8794	0.8337	0.8880	0.8489	0.8673