| Value | Category | Cases | |
|---|---|---|---|
| 98 | don't know | 0 |
0%
|
| 99 | not applicable | 0 |
0%
|
| 1971 | 1 |
0%
|
|
| 1973 | 1 |
0%
|
|
| 1976 | 1 |
0%
|
|
| 1977 | 2 |
0.1%
|
|
| 1979 | 4 |
0.1%
|
|
| 1980 | 7 |
0.2%
|
|
| 1981 | 11 |
0.3%
|
|
| 1982 | 5 |
0.1%
|
|
| 1983 | 15 |
0.4%
|
|
| 1984 | 19 |
0.5%
|
|
| 1985 | 19 |
0.5%
|
|
| 1986 | 26 |
0.7%
|
|
| 1987 | 15 |
0.4%
|
|
| 1988 | 20 |
0.5%
|
|
| 1989 | 30 |
0.8%
|
|
| 1990 | 38 |
1%
|
|
| 1991 | 27 |
0.7%
|
|
| 1992 | 30 |
0.8%
|
|
| 1993 | 35 |
0.9%
|
|
| 1994 | 36 |
0.9%
|
|
| 1995 | 51 |
1.3%
|
|
| 1996 | 46 |
1.2%
|
|
| 1997 | 62 |
1.6%
|
|
| 1998 | 86 |
2.2%
|
|
| 1999 | 75 |
1.9%
|
|
| 2000 | 100 |
2.6%
|
|
| 2001 | 68 |
1.7%
|
|
| 2002 | 98 |
2.5%
|
|
| 2003 | 117 |
3%
|
|
| 2004 | 111 |
2.8%
|
|
| 2005 | 126 |
3.2%
|
|
| 2006 | 117 |
3%
|
|
| 2007 | 137 |
3.5%
|
|
| 2008 | 148 |
3.8%
|
|
| 2009 | 187 |
4.8%
|
|
| 2010 | 200 |
5.1%
|
|
| 2011 | 187 |
4.8%
|
|
| 2012 | 152 |
3.9%
|
|
| 9998 | don't know | 70 |
1.8%
|
| 9999 | not applicable | 1425 |
36.5%
|
| 9999995 | missing:impute | 0 |
0%
|
| Sysmiss | 328 |