| Value | Category | Cases | |
|---|---|---|---|
| 1974 | 1 |
0%
|
|
| 1979 | 1 |
0%
|
|
| 1987 | 4 |
0%
|
|
| 1989 | 3 |
0%
|
|
| 1990 | 3 |
0%
|
|
| 1991 | 2 |
0%
|
|
| 1992 | 1 |
0%
|
|
| 1993 | 1 |
0%
|
|
| 1994 | 5 |
0.1%
|
|
| 1995 | 4 |
0%
|
|
| 1996 | 5 |
0.1%
|
|
| 1997 | 9 |
0.1%
|
|
| 1998 | 5 |
0.1%
|
|
| 1999 | 5 |
0.1%
|
|
| 2000 | 12 |
0.1%
|
|
| 2001 | 5 |
0.1%
|
|
| 2002 | 14 |
0.1%
|
|
| 2003 | 17 |
0.2%
|
|
| 2004 | 17 |
0.2%
|
|
| 2005 | 35 |
0.4%
|
|
| 2006 | 31 |
0.3%
|
|
| 2007 | 34 |
0.3%
|
|
| 2008 | 63 |
0.6%
|
|
| 2009 | 90 |
0.9%
|
|
| 2010 | 104 |
1%
|
|
| 2011 | 161 |
1.6%
|
|
| 2012 | 340 |
3.4%
|
|
| 2013 | 726 |
7.3%
|
|
| 2014 | 1023 |
10.3%
|
|
| 2015 | 2251 |
22.6%
|
|
| 2016 | 3590 |
36.1%
|
|
| 2017 | 1384 |
13.9%
|
|
| 9998 | NSP | 7 |
0.1%
|
| Sysmiss | 1572 |