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2018/11/29
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20 1972 1980 1987 1992 20
16 60 5 50 13
20 5
28％ 5 7 39.3 1/3 2 540 1700 1/3
367 38％
1998
1.35 1/3
1000 3000 140 400 1 2 15 20％
2 2010 2030 2050 26％
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