| Value | Category | Cases | |
|---|---|---|---|
| 1980 | 1 |
0%
|
|
| 1986 | 1 |
0%
|
|
| 1987 | 1 |
0%
|
|
| 1988 | 1 |
0%
|
|
| 1989 | 1 |
0%
|
|
| 1990 | 3 |
0.1%
|
|
| 1991 | 3 |
0.1%
|
|
| 1992 | 2 |
0.1%
|
|
| 1993 | 1 |
0%
|
|
| 1994 | 2 |
0.1%
|
|
| 1995 | 2 |
0.1%
|
|
| 1996 | 1 |
0%
|
|
| 1997 | 4 |
0.1%
|
|
| 1998 | 3 |
0.1%
|
|
| 1999 | 2 |
0.1%
|
|
| 2000 | 5 |
0.1%
|
|
| 2001 | 3 |
0.1%
|
|
| 2002 | 4 |
0.1%
|
|
| 2003 | 5 |
0.1%
|
|
| 2004 | 14 |
0.4%
|
|
| 2005 | 16 |
0.4%
|
|
| 2006 | 14 |
0.4%
|
|
| 2007 | 18 |
0.5%
|
|
| 2008 | 15 |
0.4%
|
|
| 2009 | 23 |
0.6%
|
|
| 2010 | 20 |
0.5%
|
|
| 2011 | 50 |
1.3%
|
|
| 2012 | 30 |
0.8%
|
|
| 9998 | don't know | 4 |
0.1%
|
| 9999 | not applicable | 3674 |
93.7%
|
| 9999995 | missing:impute | 0 |
0%
|
| Sysmiss | 310 |
