Value | Category | Cases | |
---|---|---|---|
1979 | 2 |
0.5%
|
|
1981 | 2 |
0.5%
|
|
1982 | 3 |
0.7%
|
|
1983 | 4 |
1%
|
|
1984 | 6 |
1.5%
|
|
1985 | 4 |
1%
|
|
1986 | 7 |
1.7%
|
|
1987 | 9 |
2.2%
|
|
1988 | 8 |
2%
|
|
1989 | 8 |
2%
|
|
1990 | 16 |
4%
|
|
1991 | 14 |
3.5%
|
|
1992 | 9 |
2.2%
|
|
1993 | 19 |
4.7%
|
|
1994 | 19 |
4.7%
|
|
1995 | 17 |
4.2%
|
|
1996 | 14 |
3.5%
|
|
1997 | 17 |
4.2%
|
|
1998 | 25 |
6.2%
|
|
1999 | 14 |
3.5%
|
|
2000 | 21 |
5.2%
|
|
2001 | 17 |
4.2%
|
|
2002 | 19 |
4.7%
|
|
2003 | 16 |
4%
|
|
2004 | 20 |
5%
|
|
2005 | 15 |
3.7%
|
|
2006 | 18 |
4.5%
|
|
2007 | 14 |
3.5%
|
|
2008 | 21 |
5.2%
|
|
2009 | 14 |
3.5%
|
|
2010 | 12 |
3%
|