| Value | Category | Cases | |
|---|---|---|---|
| 98 | Don't know | 0 |
0%
|
| 99 | Missing | 0 |
0%
|
| 1996 | 1 |
0.5%
|
|
| 1997 | 1 |
0.5%
|
|
| 1998 | 4 |
2.1%
|
|
| 1999 | 2 |
1.1%
|
|
| 2000 | 2 |
1.1%
|
|
| 2001 | 5 |
2.7%
|
|
| 2002 | 9 |
4.8%
|
|
| 2003 | 5 |
2.7%
|
|
| 2004 | 6 |
3.2%
|
|
| 2005 | 6 |
3.2%
|
|
| 2006 | 5 |
2.7%
|
|
| 2007 | 13 |
7%
|
|
| 2008 | 17 |
9.1%
|
|
| 2009 | 25 |
13.4%
|
|
| 2010 | 23 |
12.3%
|
|
| 2011 | 18 |
9.6%
|
|
| 2012 | 16 |
8.6%
|
|
| 9998 | Don't know | 29 |
15.5%
|
| 9999 | Missing | 0 |
0%
|
| Sysmiss | 1523 |