| Value | Category | Cases | |
|---|---|---|---|
| 1982 | 4 |
0%
|
|
| 1983 | 9 |
0%
|
|
| 1984 | 11 |
0.1%
|
|
| 1985 | 22 |
0.1%
|
|
| 1986 | 39 |
0.2%
|
|
| 1987 | 49 |
0.3%
|
|
| 1988 | 130 |
0.7%
|
|
| 1989 | 90 |
0.5%
|
|
| 1990 | 202 |
1.1%
|
|
| 1991 | 147 |
0.8%
|
|
| 1992 | 224 |
1.2%
|
|
| 1993 | 252 |
1.3%
|
|
| 1994 | 250 |
1.3%
|
|
| 1995 | 248 |
1.3%
|
|
| 1996 | 333 |
1.8%
|
|
| 1997 | 312 |
1.7%
|
|
| 1998 | 465 |
2.5%
|
|
| 1999 | 365 |
1.9%
|
|
| 2000 | 560 |
3%
|
|
| 2001 | 396 |
2.1%
|
|
| 2002 | 434 |
2.3%
|
|
| 2003 | 459 |
2.4%
|
|
| 2004 | 422 |
2.2%
|
|
| 2005 | 412 |
2.2%
|
|
| 2006 | 491 |
2.6%
|
|
| 2007 | 375 |
2%
|
|
| 2008 | 564 |
3%
|
|
| 2009 | 423 |
2.2%
|
|
| 2010 | 499 |
2.7%
|
|
| 2011 | 520 |
2.8%
|
|
| 2012 | 632 |
3.4%
|
|
| 2013 | 666 |
3.5%
|
|
| 2014 | 616 |
3.3%
|
|
| 2015 | 680 |
3.6%
|
|
| 2016 | 673 |
3.6%
|
|
| 2017 | 716 |
3.8%
|
|
| 2018 | 552 |
2.9%
|
|
| 9997 | INCOHERENT | 5 |
0%
|
| Sysmiss | 5565 |
29.6%
|