| Value | Category | Cases | |
|---|---|---|---|
| 98 | Don't know | 0 |
0%
|
| 998 | Don't know | 0 |
0%
|
| 1993 | 2 |
12.5%
|
|
| 1996 | 1 |
6.3%
|
|
| 2001 | 1 |
6.3%
|
|
| 2002 | 2 |
12.5%
|
|
| 2003 | 1 |
6.3%
|
|
| 2005 | 1 |
6.3%
|
|
| 2006 | 4 |
25%
|
|
| 2007 | 2 |
12.5%
|
|
| 2008 | 1 |
6.3%
|
|
| 2011 | 1 |
6.3%
|
|
| 9998 | Don't know | 0 |
0%
|
| Sysmiss | 1523 |