| Value | Category | Cases | |
|---|---|---|---|
| 98 | Don't know | 0 |
0%
|
| 998 | Don't know | 0 |
0%
|
| 1994 | 1 |
0.9%
|
|
| 1996 | 2 |
1.9%
|
|
| 1997 | 1 |
0.9%
|
|
| 1999 | 1 |
0.9%
|
|
| 2000 | 1 |
0.9%
|
|
| 2001 | 2 |
1.9%
|
|
| 2002 | 8 |
7.5%
|
|
| 2003 | 2 |
1.9%
|
|
| 2004 | 1 |
0.9%
|
|
| 2005 | 3 |
2.8%
|
|
| 2006 | 6 |
5.7%
|
|
| 2007 | 11 |
10.4%
|
|
| 2008 | 10 |
9.4%
|
|
| 2009 | 10 |
9.4%
|
|
| 2010 | 15 |
14.2%
|
|
| 2011 | 15 |
14.2%
|
|
| 2012 | 7 |
6.6%
|
|
| 9998 | Don't know | 10 |
9.4%
|
| 9999 | Missing | 0 |
0%
|
| 99998 | Don't know | 0 |
0%
|
| Sysmiss | 1604 |