| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1970 | 1 | 0 |
0%
|
|
| 1971 | 1 | 0 |
0%
|
|
| 1973 | 1 | 0 |
0%
|
|
| 1974 | 1 | 0 |
0%
|
|
| 1975 | 2 | 0 |
0%
|
|
| 1976 | 1 | 0 |
0%
|
|
| 1977 | 2 | 0 |
0%
|
|
| 1978 | 5 | 0 |
0%
|
|
| 1979 | 5 | 0 |
0%
|
|
| 1980 | 20 | 0 |
0%
|
|
| 1981 | 9 | 0 |
0%
|
|
| 1982 | 17 | 0 |
0%
|
|
| 1983 | 23 | 0 |
0%
|
|
| 1984 | 34 | 0 |
0%
|
|
| 1985 | 47 | 4 |
0.2%
|
|
| 1986 | 47 | 0 |
0%
|
|
| 1987 | 40 | 0 |
0%
|
|
| 1988 | 74 | 0 |
0%
|
|
| 1989 | 78 | 98 |
6.2%
|
|
| 1990 | 153 | 87 |
5.5%
|
|
| 1991 | 92 | 8 |
0.5%
|
|
| 1992 | 121 | 5 |
0.3%
|
|
| 1993 | 126 | 3 |
0.2%
|
|
| 1994 | 129 | 190 |
12.1%
|
|
| 1995 | 143 | 16 |
1%
|
|
| 1996 | 119 | 6 |
0.4%
|
|
| 1997 | 84 | 87 |
5.5%
|
|
| 1998 | 157 | 87 |
5.5%
|
|
| 1999 | 154 | 7 |
0.4%
|
|
| 2000 | 236 | 98 |
6.2%
|
|
| 2001 | 146 | 12 |
0.8%
|
|
| 2002 | 140 | 111 |
7%
|
|
| 2003 | 146 | 19 |
1.2%
|
|
| 2004 | 144 | 196 |
12.5%
|
|
| 2005 | 128 | 0 |
0%
|
|
| 2006 | 123 | 192 |
12.2%
|
|
| 2007 | 125 | 5 |
0.3%
|
|
| 2008 | 126 | 25 |
1.6%
|
|
| 2009 | 119 | 4 |
0.3%
|
|
| 2010 | 92 | 107 |
6.8%
|
|
| 2011 | 33 | 0 |
0%
|
|
| 9997 | Inconsistent | 19 | 4 |
0.2%
|
| 9998 | DK | 423 | 17 |
1.1%
|
| 9999 | Missing | 171 | 183 |
11.7%
|
| Sysmiss | 1982 | 0 |