| Value | Category | Cases | |
|---|---|---|---|
| 1982 | 20 |
0.1%
|
|
| 1983 | 9 |
0%
|
|
| 1984 | 16 |
0.1%
|
|
| 1985 | 85 |
0.4%
|
|
| 1986 | 143 |
0.6%
|
|
| 1987 | 261 |
1.1%
|
|
| 1988 | 379 |
1.7%
|
|
| 1989 | 435 |
1.9%
|
|
| 1990 | 457 |
2%
|
|
| 1991 | 582 |
2.5%
|
|
| 1992 | 623 |
2.7%
|
|
| 1993 | 650 |
2.8%
|
|
| 1994 | 828 |
3.6%
|
|
| 1995 | 725 |
3.2%
|
|
| 1996 | 812 |
3.6%
|
|
| 1997 | 902 |
3.9%
|
|
| 1998 | 935 |
4.1%
|
|
| 1999 | 972 |
4.3%
|
|
| 2000 | 1099 |
4.8%
|
|
| 2001 | 789 |
3.5%
|
|
| 2002 | 1023 |
4.5%
|
|
| 2003 | 889 |
3.9%
|
|
| 2004 | 1016 |
4.4%
|
|
| 2005 | 1022 |
4.5%
|
|
| 2006 | 808 |
3.5%
|
|
| 2007 | 958 |
4.2%
|
|
| 2008 | 755 |
3.3%
|
|
| 2009 | 790 |
3.5%
|
|
| 2010 | 801 |
3.5%
|
|
| 2011 | 701 |
3.1%
|
|
| 2012 | 705 |
3.1%
|
|
| 2013 | 598 |
2.6%
|
|
| 2014 | 505 |
2.2%
|
|
| 2015 | 479 |
2.1%
|
|
| 2016 | 362 |
1.6%
|
|
| 2017 | 318 |
1.4%
|
|
| 2018 | 347 |
1.5%
|
|
| 2019 | 37 |
0.2%
|
|
| 9997 | INCONSISTENT | 8 |
0%
|