| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| 1988 | 1988 | 0 |
0%
|
| 1989 | 1989 | 0 |
0%
|
| 1990 | 1990 | 0 |
0%
|
| 1991 | 1991 | 0 |
0%
|
| 1992 | 1992 | 0 |
0%
|
| 1993 | 1993 | 0 |
0%
|
| 1994 | 1994 | 0 |
0%
|
| 1995 | 1995 | 0 |
0%
|
| 1996 | 1996 | 1 |
1.1%
|
| 1997 | 1997 | 0 |
0%
|
| 1998 | 1998 | 0 |
0%
|
| 1999 | 1999 | 0 |
0%
|
| 2000 | 2000 | 1 |
1.1%
|
| 2001 | 2001 | 0 |
0%
|
| 2002 | 2002 | 0 |
0%
|
| 2003 | 2003 | 0 |
0%
|
| 2004 | 2004 | 1 |
1.1%
|
| 2005 | 2005 | 2 |
2.3%
|
| 2006 | 2006 | 0 |
0%
|
| 2007 | 2007 | 1 |
1.1%
|
| 2008 | 2008 | 1 |
1.1%
|
| 2009 | 2009 | 3 |
3.4%
|
| 2010 | 2010 | 3 |
3.4%
|
| 2011 | 2011 | 9 |
10.2%
|
| 2012 | 2012 | 10 |
11.4%
|
| 2013 | 2013 | 9 |
10.2%
|
| 2014 | 2014 | 13 |
14.8%
|
| 2015 | 2015 | 18 |
20.5%
|
| 2016 | 2016 | 16 |
18.2%
|
| Sysmiss | 7073 |