| Value | Category | Cases | |
|---|---|---|---|
| 1957 | 1 |
0%
|
|
| 1960 | 1 |
0%
|
|
| 1965 | 1 |
0%
|
|
| 1970 | 1 |
0%
|
|
| 1972 | 2 |
0%
|
|
| 1973 | 1 |
0%
|
|
| 1976 | 1 |
0%
|
|
| 1977 | 2 |
0%
|
|
| 1979 | 1 |
0%
|
|
| 1980 | 1 |
0%
|
|
| 1982 | 2 |
0%
|
|
| 1984 | 2 |
0%
|
|
| 1985 | 5 |
0.1%
|
|
| 1986 | 5 |
0.1%
|
|
| 1987 | 10 |
0.2%
|
|
| 1988 | 6 |
0.1%
|
|
| 1989 | 5 |
0.1%
|
|
| 1990 | 30 |
0.5%
|
|
| 1991 | 4 |
0.1%
|
|
| 1992 | 15 |
0.3%
|
|
| 1993 | 14 |
0.2%
|
|
| 1994 | 8 |
0.1%
|
|
| 1995 | 27 |
0.5%
|
|
| 1996 | 11 |
0.2%
|
|
| 1997 | 39 |
0.7%
|
|
| 1998 | 27 |
0.5%
|
|
| 1999 | 20 |
0.4%
|
|
| 2000 | 168 |
3%
|
|
| 2001 | 48 |
0.9%
|
|
| 2002 | 95 |
1.7%
|
|
| 2003 | 62 |
1.1%
|
|
| 2004 | 49 |
0.9%
|
|
| 2005 | 176 |
3.1%
|
|
| 2006 | 57 |
1%
|
|
| 2007 | 222 |
3.9%
|
|
| 2008 | 123 |
2.2%
|
|
| 2009 | 149 |
2.6%
|
|
| 2010 | 371 |
6.6%
|
|
| 2011 | 140 |
2.5%
|
|
| 2012 | 413 |
7.3%
|
|
| 2013 | 329 |
5.8%
|
|
| 2014 | 485 |
8.6%
|
|
| 2015 | 820 |
14.5%
|
|
| 2016 | 1040 |
18.4%
|
|
| 2017 | 649 |
11.5%
|