| Value | Category | Cases | |
|---|---|---|---|
| -88 | 1 |
0.1%
|
|
| -66 | 1 |
0.1%
|
|
| -44 | 483 |
61.8%
|
|
| 1974 | 1 |
0.1%
|
|
| 1980 | 1 |
0.1%
|
|
| 1985 | 1 |
0.1%
|
|
| 1990 | 2 |
0.3%
|
|
| 1992 | 1 |
0.1%
|
|
| 1994 | 1 |
0.1%
|
|
| 1996 | 3 |
0.4%
|
|
| 1998 | 1 |
0.1%
|
|
| 1999 | 2 |
0.3%
|
|
| 2000 | 12 |
1.5%
|
|
| 2001 | 3 |
0.4%
|
|
| 2002 | 5 |
0.6%
|
|
| 2003 | 17 |
2.2%
|
|
| 2004 | 36 |
4.6%
|
|
| 2005 | 51 |
6.5%
|
|
| 2006 | 126 |
16.1%
|
|
| 2007 | 33 |
4.2%
|