Value | Category | Cases | |
---|---|---|---|
-99 | Don't know | 36 |
54.5%
|
1977 | 1 |
1.5%
|
|
1983 | 1 |
1.5%
|
|
1994 | 1 |
1.5%
|
|
1995 | 1 |
1.5%
|
|
1996 | 1 |
1.5%
|
|
1998 | 1 |
1.5%
|
|
2000 | 3 |
4.5%
|
|
2002 | 3 |
4.5%
|
|
2003 | 3 |
4.5%
|
|
2004 | 4 |
6.1%
|
|
2005 | 4 |
6.1%
|
|
2006 | 1 |
1.5%
|
|
2007 | 2 |
3%
|
|
2008 | 1 |
1.5%
|
|
2009 | 3 |
4.5%
|
|
Sysmiss | 120 |