Measuring and Fitting the Relationship between Socioeconomic Development and Environmental Pollution: A Case of Beijing–Tianjin–Hebei Region, China

Table 2

Selected data of the three regions for each indicator during 2006–2015.

Region	Year	S1	S2	S3	S4	S5	E1	E2	E3	E4	E5
Beijing	2006	16.01	19.98	8.54	217.79	585.45	1.01	53.99	464.10	0.176	0.050
	2007	16.76	21.99	9.94	249.39	725.35	0.81	57.48	514.60	0.152	0.048
	2008	17.71	24.73	11.14	259.29	841.07	0.78	57.86	431.60	0.123	0.048
	2009	18.60	26.74	11.68	280.42	923.20	0.34	60.09	440.80	0.119	0.044
	2010	19.62	29.07	12.27	332.57	1066.52	0.19	63.60	475.00	0.115	0.049
	2011	20.19	32.90	13.44	367.80	1243.95	0.11	63.97	489.65	0.098	0.066
	2012	20.69	36.47	14.81	396.26	1376.87	0.33	65.64	326.37	0.094	0.067
	2013	21.15	40.32	15.96	429.26	1534.86	0.43	67.24	369.22	0.087	0.059
	2014	21.52	43.91	15.90	454.48	1662.70	0.76	68.31	356.92	0.079	0.057
	2015	21.71	52.86	14.02	454.26	1833.17	1.00	68.53	367.60	0.071	0.049
Tianjin	2006	10.75	14.28	10.34	245.71	190.23	1.50	45.00	651.20	0.255	0.080
	2007	11.15	16.36	11.02	289.25	225.00	1.51	49.43	550.60	0.245	0.074
	2008	11.76	19.42	12.26	370.98	288.67	1.68	53.64	600.50	0.240	0.070
	2009	12.28	21.40	12.89	398.78	340.52	1.80	58.74	598.30	0.237	0.071
	2010	12.99	24.29	14.56	484.02	423.86	1.65	60.85	768.60	0.235	0.065
	2011	13.55	26.92	15.97	592.83	521.92	1.53	67.81	891.93	0.231	0.076
	2012	14.13	29.63	17.16	666.38	605.85	1.26	73.26	903.22	0.225	0.084
	2013	14.72	28.98	18.70	727.55	697.96	1.48	78.82	808.00	0.217	0.087
	2014	15.17	31.51	19.99	773.19	779.52	2.21	81.45	880.00	0.209	0.140
	2015	15.47	34.10	20.88	770.42	862.52	2.40	82.60	835.50	0.186	0.101
Hebei	2006	68.98	10.30	146.18	611.04	389.54	1.91	217.94	3925.40	1.545	0.723
	2007	69.43	11.69	180.47	720.19	460.07	2.15	235.85	4803.60	1.492	0.623
	2008	69.89	13.44	203.46	870.13	527.60	2.06	243.22	3755.80	1.345	0.568
	2009	70.34	14.72	220.73	895.98	606.83	1.32	254.19	5077.90	1.253	0.519
	2010	71.94	16.26	256.28	1070.77	712.38	1.09	262.01	5632.40	1.234	0.500
	2011	72.41	18.29	290.57	1312.69	848.32	2.43	280.75	7718.49	1.412	1.322
	2012	72.88	20.54	318.67	1400.36	938.48	2.36	287.63	6764.74	1.341	1.236
	2013	73.33	22.23	338.20	1478.19	1027.91	5.12	296.64	7912.13	1.285	1.313
	2014	73.84	24.14	344.75	1501.29	1096.08	8.90	293.20	7273.23	1.190	1.798
	2015	74.25	26.15	343.95	1438.69	1197.98	5.42	293.95	7857.00	1.108	1.575

The units of S₁, S₂, and S₃–S₅ are million people, thousand yuan, and billion yuan, respectively. The units of E₁, E₂, E₃, E₄, and E₅ are billion yuan, million tons of standard coal equivalent, billion cubic meters, million tons, and million tons, respectively.