|
Year
|
Iowa
|
United States-Total
|
|
|
|
|
1960
|
656
|
288,460
|
|
1961
|
643
|
289,390
|
|
1962
|
559
|
301,510
|
|
1963
|
629
|
316,970
|
|
1964
|
1,007
|
364,220
|
|
1965
|
1,067
|
387,390
|
|
1966
|
1,214
|
430,180
|
|
1967
|
1,608
|
499,930
|
|
1968
|
1,882
|
595,010
|
|
1969
|
1,918
|
661,870
|
|
1970
|
2,241
|
738,820
|
|
1971
|
2,822
|
816,500
|
|
1972
|
2,519
|
834,900
|
|
1973
|
2,970
|
875,910
|
|
1974
|
3,455
|
974,720
|
|
1976
|
3,813
|
1,004,210
|
|
1977
|
4,145
|
1,029,580
|
|
1975
|
4,039
|
1,039,710
|
|
1978
|
4,674
|
1,085,550
|
|
1979
|
5,259
|
1,208,030
|
|
1983
|
5,262
|
1,258,090
|
|
1984
|
5,781
|
1,273,280
|
|
1982
|
5,018
|
1,322,390
|
|
1985
|
6,106
|
1,328,800
|
|
1980
|
5,826
|
1,344,520
|
|
1981
|
5,915
|
1,361,820
|
|
2004
|
8,003
|
1,367,009
|
|
2003
|
8,175
|
1,383,676
|
|
2002
|
8,388
|
1,423,677
|
|
2000
|
7,796
|
1,425,486
|
|
1999
|
8,034
|
1,426,044
|
|
2001
|
7,865
|
1,436,611
|
|
1987
|
6,553
|
1,484,000
|
|
1986
|
6,703
|
1,489,170
|
|
1998
|
8,916
|
1,533,887
|
|
1988
|
7,279
|
1,566,220
|
|
1997
|
8,841
|
1,634,770
|
|
1989
|
7,563
|
1,646,040
|
|
1996
|
7,771
|
1,688,540
|
|
1995
|
10,071
|
1,798,790
|
|
1990
|
8,321
|
1,820,130
|
|
1994
|
8,914
|
1,857,670
|
|
1991
|
8,477
|
1,911,770
|
|
1993
|
9,159
|
1,926,020
|
|
1992
|
7,816
|
1,932,270
|
| more... |
more... |
more... |
|
|
OK to share with attribution
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