| Value | Category | Cases | |
|---|---|---|---|
| 98 | Don't know | 0 |
0%
|
| 998 | Don't know | 0 |
0%
|
| 1993 | 1 |
1.3%
|
|
| 1995 | 1 |
1.3%
|
|
| 1996 | 1 |
1.3%
|
|
| 1998 | 2 |
2.6%
|
|
| 1999 | 2 |
2.6%
|
|
| 2000 | 2 |
2.6%
|
|
| 2001 | 3 |
3.9%
|
|
| 2002 | 2 |
2.6%
|
|
| 2003 | 3 |
3.9%
|
|
| 2004 | 3 |
3.9%
|
|
| 2005 | 2 |
2.6%
|
|
| 2006 | 6 |
7.9%
|
|
| 2007 | 6 |
7.9%
|
|
| 2008 | 6 |
7.9%
|
|
| 2009 | 11 |
14.5%
|
|
| 2010 | 6 |
7.9%
|
|
| 2011 | 9 |
11.8%
|
|
| 2012 | 3 |
3.9%
|
|
| 9998 | Don't know | 7 |
9.2%
|
| 9999 | Missing | 0 |
0%
|
| 99998 | Don't know | 0 |
0%
|
| Sysmiss | 1634 |