|
Year
|
Iowa
|
Ohio
|
|
|
|
|
1960
|
656
|
8,120
|
|
1961
|
643
|
7,986
|
|
1962
|
559
|
8,366
|
|
1963
|
629
|
9,086
|
|
1964
|
1,007
|
11,582
|
|
1965
|
1,067
|
12,788
|
|
1966
|
1,214
|
15,626
|
|
1967
|
1,608
|
19,344
|
|
1968
|
1,882
|
21,228
|
|
1969
|
1,918
|
26,648
|
|
1970
|
2,241
|
30,279
|
|
1971
|
2,822
|
32,159
|
|
1972
|
2,519
|
32,286
|
|
1973
|
2,970
|
31,304
|
|
1974
|
3,455
|
39,094
|
|
1975
|
4,039
|
43,901
|
|
1976
|
3,813
|
41,553
|
|
1977
|
4,145
|
43,521
|
|
1978
|
4,674
|
44,357
|
|
1979
|
5,259
|
49,092
|
|
1980
|
5,826
|
53,646
|
|
1981
|
5,915
|
53,509
|
|
1982
|
5,018
|
47,126
|
|
1983
|
5,262
|
42,759
|
|
1984
|
5,781
|
41,430
|
|
1985
|
6,106
|
41,000
|
|
1986
|
6,703
|
45,260
|
|
1987
|
6,553
|
45,436
|
|
1988
|
7,279
|
49,144
|
|
1989
|
7,563
|
51,109
|
|
1990
|
8,321
|
54,904
|
|
1991
|
8,477
|
61,460
|
|
1992
|
7,816
|
57,935
|
|
1993
|
9,159
|
55,915
|
|
1994
|
8,914
|
53,930
|
|
1995
|
10,071
|
53,799
|
|
1996
|
7,771
|
47,896
|
|
1997
|
8,841
|
48,706
|
|
1998
|
8,916
|
40,628
|
|
1999
|
8,034
|
35,616
|
|
2000
|
7,796
|
37,935
|
|
2001
|
7,865
|
40,023
|
|
2002
|
8,388
|
40,128
|
|
2003
|
8,175
|
38,185
|
|
2004
|
8,003
|
39,163
|
| more... |
more... |
more... |
|
|
OK to share with attribution
Comments (0)
Would you like to comment?
Sign in to leave a comment. Or, sign up if you don't have an account.