| Value | Category | Cases | |
|---|---|---|---|
| 1985 | 1 |
0.1%
|
|
| 1986 | 1 |
0.1%
|
|
| 1987 | 4 |
0.4%
|
|
| 1988 | 8 |
0.8%
|
|
| 1990 | 6 |
0.6%
|
|
| 1991 | 6 |
0.6%
|
|
| 1992 | 7 |
0.7%
|
|
| 1993 | 4 |
0.4%
|
|
| 1994 | 7 |
0.7%
|
|
| 1995 | 6 |
0.6%
|
|
| 1996 | 14 |
1.4%
|
|
| 1997 | 15 |
1.5%
|
|
| 1998 | 21 |
2.1%
|
|
| 1999 | 25 |
2.6%
|
|
| 2000 | 16 |
1.6%
|
|
| 2001 | 27 |
2.8%
|
|
| 2002 | 17 |
1.7%
|
|
| 2003 | 36 |
3.7%
|
|
| 2004 | 46 |
4.7%
|
|
| 2005 | 41 |
4.2%
|
|
| 2006 | 44 |
4.5%
|
|
| 2007 | 46 |
4.7%
|
|
| 2008 | 58 |
5.9%
|
|
| 2009 | 76 |
7.8%
|
|
| 2010 | 82 |
8.4%
|
|
| 2011 | 85 |
8.7%
|
|
| 2012 | 88 |
9%
|
|
| 2013 | 107 |
11%
|
|
| 2014 | 83 |
8.5%
|
|
| 9997 | Inconsistent | 0 |
0%
|
| 9998 | Don't know | 0 |
0%
|
| Sysmiss | 19987 |