| Value | Category | Cases | |
|---|---|---|---|
| 1985 | 3 |
0%
|
|
| 1986 | 2 |
0%
|
|
| 1987 | 2 |
0%
|
|
| 1988 | 4 |
0%
|
|
| 1989 | 6 |
0%
|
|
| 1990 | 13 |
0.1%
|
|
| 1991 | 9 |
0%
|
|
| 1992 | 17 |
0.1%
|
|
| 1993 | 13 |
0.1%
|
|
| 1994 | 23 |
0.1%
|
|
| 1995 | 24 |
0.1%
|
|
| 1996 | 25 |
0.1%
|
|
| 1997 | 27 |
0.1%
|
|
| 1998 | 53 |
0.3%
|
|
| 1999 | 55 |
0.3%
|
|
| 2000 | 96 |
0.5%
|
|
| 2001 | 79 |
0.4%
|
|
| 2002 | 113 |
0.6%
|
|
| 2003 | 124 |
0.7%
|
|
| 2004 | 161 |
0.9%
|
|
| 2005 | 154 |
0.8%
|
|
| 2006 | 238 |
1.3%
|
|
| 2007 | 237 |
1.3%
|
|
| 2008 | 286 |
1.5%
|
|
| 2009 | 263 |
1.4%
|
|
| 2010 | 398 |
2.1%
|
|
| 2011 | 432 |
2.3%
|
|
| 2012 | 647 |
3.4%
|
|
| 2013 | 790 |
4.2%
|
|
| 2014 | 1019 |
5.4%
|
|
| 2015 | 1370 |
7.3%
|
|
| 2016 | 1885 |
10%
|
|
| 2017 | 2553 |
13.6%
|
|
| 2018 | 2125 |
11.3%
|
|
| 9997 | INCOHERENT | 1 |
0%
|
| Sysmiss | 5565 |
29.6%
|