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年份USA_老年抚养比(老年人口与劳动年龄人口的百分比)CHN_老年抚养比(老年人口与劳动年龄人口的百分比)
197015.746.68
197115.786.72
197215.786.76
197315.796.81
197415.836.94
197515.917.08
197616.017.21
197716.137.29
197816.287.30
197916.467.33
198016.657.39
198116.827.43
198216.997.48
198317.187.52
198417.377.54
198517.557.58
198617.747.65
198717.977.72
198818.207.81
198918.427.95
199018.618.12
199118.738.27
199218.838.45
199318.888.66
199418.888.88
199518.859.10
199618.799.32
199718.699.52
199818.569.76
199918.4210.02
200018.2810.25
200118.1710.46
200218.0810.62
200318.0210.77
200417.9810.89
200517.9710.99
200618.0111.13
200718.1911.31
200818.4711.48
200918.7711.66
201019.0411.89
201119.4012.17
201219.9312.52
201320.4812.93
201421.0113.42
201521.5214.04
201622.0414.73
201722.5915.54
201823.2016.42
201923.8517.29
202024.5218.22
202125.2019.08
202225.9519.95
202326.8320.72
202427.6921.15