美国有多少人口？美国人口数量(3)

0.95%
1977
220239000
1.01%
1978
222585000
1.07%
1979
225055000
1.11%
1980
227225000
0.96%
1981
229466000
0.99%
1982
231664000
0.96%
1983
233792000
0.92%
1984
235825000
0.87%
1985
237924000
0.89%
1986
240133000
0.93%
1987
242289000
0.90%
1988
244499000
0.91%
1989
246819000
0.95%
1990
249623000
1.14%
1991
252981000
1.35%
1992
256514000
1.40%
1993
259919000
1.33%
1994
263126000
1.23%