Value | Category | Cases | |
---|---|---|---|
-99 | Don't know | 36 |
52.2%
|
1975 | 1 |
1.4%
|
|
1986 | 1 |
1.4%
|
|
1990 | 2 |
2.9%
|
|
1992 | 1 |
1.4%
|
|
1993 | 2 |
2.9%
|
|
1994 | 2 |
2.9%
|
|
1995 | 2 |
2.9%
|
|
1996 | 2 |
2.9%
|
|
1999 | 1 |
1.4%
|
|
2000 | 5 |
7.2%
|
|
2001 | 6 |
8.7%
|
|
2003 | 1 |
1.4%
|
|
2004 | 1 |
1.4%
|
|
2007 | 3 |
4.3%
|
|
2009 | 3 |
4.3%
|
|
Sysmiss | 117 |