| Value | Category | Cases | |
|---|---|---|---|
| 1945 | 1 |
0.1%
|
|
| 1968 | 3 |
0.4%
|
|
| 1970 | 1 |
0.1%
|
|
| 1974 | 1 |
0.1%
|
|
| 1975 | 1 |
0.1%
|
|
| 1979 | 1 |
0.1%
|
|
| 1980 | 1 |
0.1%
|
|
| 1982 | 1 |
0.1%
|
|
| 1985 | 8 |
1.1%
|
|
| 1986 | 4 |
0.5%
|
|
| 1987 | 2 |
0.3%
|
|
| 1988 | 1 |
0.1%
|
|
| 1992 | 12 |
1.6%
|
|
| 1993 | 3 |
0.4%
|
|
| 1994 | 5 |
0.7%
|
|
| 1995 | 8 |
1.1%
|
|
| 1996 | 12 |
1.6%
|
|
| 1997 | 9 |
1.2%
|
|
| 1998 | 14 |
1.9%
|
|
| 1999 | 9 |
1.2%
|
|
| 2000 | 42 |
5.7%
|
|
| 2001 | 31 |
4.2%
|
|
| 2002 | 43 |
5.8%
|
|
| 2003 | 48 |
6.5%
|
|
| 2004 | 61 |
8.3%
|
|
| 2005 | 74 |
10.1%
|
|
| 2006 | 98 |
13.3%
|
|
| 2007 | 97 |
13.2%
|
|
| 2008 | 145 |
19.7%
|
|
| DON'T KNOW | 2 | ||
| MISSING | 55 | ||
| NOT APPLICABLE | 159 |
