Table 2.

The results of goodness-of-fit in China.

Provinces and cities	R2	P
Beijing	0.732	<0.001
Tianjin	0.206	<0.05
Hebei province	0.435	<0.001
Shanxi province	0.545	<0.001
Inner monggolia autonomous region	0.282	<0.05
Liaoning province	0.212	<0.05
Jilin province	0.344	<0.05
Heilongjiang province	0.767	<0.001
Shanghai	0.712	<0.001
Jiangsu province	0.797	<0.001
Zhejiang province	0.697	<0.001
Anhui province	0.427	<0.001
Fujian province	0.400	<0.001
Jiangxi province	0.857	<0.001
Shandong province	0.491	<0.001
Henan province	0.800	<0.001
Hubei province	0.592	<0.001
Hunan province	0.711	<0.001
Guangdong province	0.810	<0.001
Guangxi zhuang autonomous region	0.201	<0.05
Hainan province	0.432	<0.001
Chongqing	0.511	<0.001
Sichuan province	0.707	<0.001
Guizhou province	0.648	<0.001
Yunnan province	0.826	<0.001
Shaanxi province	0.513	<0.001
Gansu province	0.333	<0.05
Qinghai province	0.229	<0.05
Ningxia hui autonomous region	0.168	<0.05
Xinjiang uygur autonomous region	0.261	<0.05