Value | Category | Cases | |
---|---|---|---|
1971 | 1 |
0.3%
|
|
1980 | 2 |
0.5%
|
|
1981 | 1 |
0.3%
|
|
1986 | 1 |
0.3%
|
|
1987 | 1 |
0.3%
|
|
1989 | 2 |
0.5%
|
|
1991 | 1 |
0.3%
|
|
1994 | 1 |
0.3%
|
|
1995 | 2 |
0.5%
|
|
1996 | 4 |
1%
|
|
1997 | 2 |
0.5%
|
|
1998 | 3 |
0.8%
|
|
1999 | 4 |
1%
|
|
2000 | 11 |
2.8%
|
|
2001 | 11 |
2.8%
|
|
2002 | 33 |
8.5%
|
|
2003 | 30 |
7.8%
|
|
2004 | 66 |
17.1%
|
|
2005 | 97 |
25.1%
|
|
2006 | 65 |
16.8%
|
|
9999 | 9999. Don't Know | 49 |
12.7%
|
Sysmiss | 612 |