| Value | Category | Cases | |
|---|---|---|---|
| 98 | Don't know | 0 |
0%
|
| 998 | Don't know | 0 |
0%
|
| 1991 | 1 |
0.7%
|
|
| 1992 | 1 |
0.7%
|
|
| 1993 | 1 |
0.7%
|
|
| 1994 | 1 |
0.7%
|
|
| 1995 | 1 |
0.7%
|
|
| 1996 | 2 |
1.5%
|
|
| 1997 | 3 |
2.2%
|
|
| 1998 | 1 |
0.7%
|
|
| 1999 | 4 |
3%
|
|
| 2000 | 5 |
3.7%
|
|
| 2001 | 2 |
1.5%
|
|
| 2002 | 1 |
0.7%
|
|
| 2003 | 5 |
3.7%
|
|
| 2004 | 8 |
6%
|
|
| 2005 | 16 |
11.9%
|
|
| 2006 | 8 |
6%
|
|
| 2007 | 14 |
10.4%
|
|
| 2008 | 19 |
14.2%
|
|
| 2009 | 10 |
7.5%
|
|
| 2010 | 15 |
11.2%
|
|
| 2011 | 7 |
5.2%
|
|
| 2012 | 3 |
2.2%
|
|
| 9998 | Don't know | 6 |
4.5%
|
| 9999 | Missing | 0 |
0%
|
| 99998 | Don't know | 0 |
0%
|
| Sysmiss | 1576 |