中美

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年份	USA_少儿抚比率(少儿人口与劳动年龄人口的百分比)	CHN_(少儿人口与劳动年龄人口的百分比)
1970	46.25	73.50
1971	45.07	73.11
1972	43.63	72.36
1973	42.04	71.65
1974	40.47	71.78
1975	38.97	72.12
1976	37.54	72.33
1977	36.28	71.00
1978	35.22	67.36
1979	34.33	63.64
1980	33.67	60.66
1981	33.24	58.03
1982	32.95	56.01
1983	32.74	53.76
1984	32.51	51.16
1985	32.21	48.88
1986	31.96	47.05
1987	31.92	45.77
1988	32.09	44.74
1989	32.35	43.98
1990	32.63	43.73
1991	32.92	43.48
1992	33.17	43.02
1993	33.28	42.58
1994	33.27	42.00
1995	33.12	41.25
1996	32.89	40.33
1997	32.60	39.16
1998	32.31	38.03
1999	32.03	37.01
2000	31.75	35.86
2001	31.47	34.51
2002	31.17	32.91
2003	30.86	31.32
2004	30.51	29.81
2005	30.13	28.26
2006	29.79	27.08
2007	29.58	26.40
2008	29.45	25.92
2009	29.33	25.59
2010	29.20	25.35
2011	29.11	25.20
2012	29.06	25.20
2013	29.02	25.31
2014	28.95	25.45
2015	28.86	25.57
2016	28.75	25.71
2017	28.64	25.97
2018	28.50	26.13
2019	28.32	26.09
2020	28.07	25.87
2021	27.75	25.40
2022	27.43	24.78
2023	27.08	24.01
2024	26.76	23.09