| Value | Category | Cases | |
|---|---|---|---|
| 98 | Don't Know | 61 |
1.3%
|
| 1933 | 1 |
0%
|
|
| 1956 | 1 |
0%
|
|
| 1965 | 1 |
0%
|
|
| 1970 | 2 |
0%
|
|
| 1971 | 1 |
0%
|
|
| 1972 | 1 |
0%
|
|
| 1973 | 1 |
0%
|
|
| 1974 | 3 |
0.1%
|
|
| 1975 | 3 |
0.1%
|
|
| 1976 | 10 |
0.2%
|
|
| 1977 | 2 |
0%
|
|
| 1978 | 10 |
0.2%
|
|
| 1980 | 23 |
0.5%
|
|
| 1981 | 27 |
0.6%
|
|
| 1982 | 6 |
0.1%
|
|
| 1983 | 26 |
0.6%
|
|
| 1984 | 41 |
0.9%
|
|
| 1985 | 65 |
1.4%
|
|
| 1986 | 102 |
2.2%
|
|
| 1987 | 106 |
2.3%
|
|
| 1988 | 153 |
3.4%
|
|
| 1989 | 154 |
3.4%
|
|
| 1990 | 243 |
5.3%
|
|
| 1991 | 272 |
6%
|
|
| 1992 | 210 |
4.6%
|
|
| 1993 | 186 |
4.1%
|
|
| 1994 | 204 |
4.5%
|
|
| 1995 | 168 |
3.7%
|
|
| 1996 | 88 |
1.9%
|
|
| 1997 | 27 |
0.6%
|
|
| 1998 | 30 |
0.7%
|
|
| 1999 | 11 |
0.2%
|
|
| 2000 | 2 |
0%
|
|
| 2001 | 1 |
0%
|
|
| 2014 | 956 |
21%
|
|
| 2015 | 1316 |
28.9%
|
|
| 2016 | 40 |
0.9%
|
|
| Sysmiss | 20 |