| Value | Category | Cases | |
|---|---|---|---|
| 0 | NA | 4208 |
85%
|
| 1970 | 1 |
0%
|
|
| 1975 | 1 |
0%
|
|
| 1980 | 1 |
0%
|
|
| 1987 | 1 |
0%
|
|
| 1988 | 2 |
0%
|
|
| 1989 | 1 |
0%
|
|
| 1990 | 5 |
0.1%
|
|
| 1992 | 1 |
0%
|
|
| 1993 | 1 |
0%
|
|
| 1995 | 11 |
0.2%
|
|
| 1997 | 3 |
0.1%
|
|
| 1998 | 5 |
0.1%
|
|
| 1999 | 1 |
0%
|
|
| 2000 | 20 |
0.4%
|
|
| 2001 | 8 |
0.2%
|
|
| 2002 | 5 |
0.1%
|
|
| 2003 | 9 |
0.2%
|
|
| 2004 | 13 |
0.3%
|
|
| 2005 | 30 |
0.6%
|
|
| 2006 | 29 |
0.6%
|
|
| 2007 | 34 |
0.7%
|
|
| 2008 | 78 |
1.6%
|
|
| 2009 | 378 |
7.6%
|
|
| 2010 | 104 |
2.1%
|