年份	Y(实际值)	$\hat{Y}$ (模型(2))	$\hat{Y}$ (模型(4))	ε(模型(2))	ε(模型(4))
2003	7356	7602.6	7279.2	246.56	−76.80
2004	8161	8399.6	8160.7	238.55	−0.34
2005	8794	8707.1	8821.2	−86.91	27.18
2006	9808	9622.4	9807.5	−185.60	−0.46
2007	11,055	11,060.0	11,100.8	4.96	45.79
2008	12,501	12,607.9	12,564.3	106.91	63.32
2009	13,451	13,174.9	13,501.0	−276.11	50.03
2010	14,750	14,571.3	14,771.9	−178.69	21.85
2011	16,661	16,730.3	16,592.9	69.30	−68.05
2012	18,593	18,693.7	18,506.7	100.72	−86.29
2013	20,565	20,714.1	20,663.5	149.15	98.52
2014	22,204	22,209.0	22,224.2	5.01	20.19
2015	23,520	23,354.7	23,446.8	−165.27	−73.15
2016	25,006	24,785.8	24,912.8	−220.20	−93.23
2017	25,980	25,935.4	25,981.7	−44.60	1.67
2018	28,145	28,082.0	28,140.2	−62.98	−4.83
2019	30,946	30,724.8	30,871.8	−221.22	−74.23
2020	30,487	30,943.2	30,596.1	456.22	109.13
2021	33,942	34,006.2	33,981.7	64.20	39.69