| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3884 |
62.3%
|
|
| 1975 | 1 |
0%
|
|
| 1986 | 1 |
0%
|
|
| 1987 | 1 |
0%
|
|
| 1993 | 2 |
0%
|
|
| 1994 | 1 |
0%
|
|
| 1996 | 1 |
0%
|
|
| 1997 | 1 |
0%
|
|
| 1998 | 3 |
0%
|
|
| 2000 | 11 |
0.2%
|
|
| 2001 | 3 |
0%
|
|
| 2002 | 4 |
0.1%
|
|
| 2003 | 7 |
0.1%
|
|
| 2004 | 7 |
0.1%
|
|
| 2005 | 7 |
0.1%
|
|
| 2006 | 13 |
0.2%
|
|
| 2007 | 18 |
0.3%
|
|
| 2008 | 22 |
0.4%
|
|
| 2009 | 29 |
0.5%
|
|
| 2010 | 64 |
1%
|
|
| 2011 | 67 |
1.1%
|
|
| 2012 | 29 |
0.5%
|
|
| 2013 | 2 |
0%
|
|
| 8888 | 2059 |
33%
|
|
| Sysmiss | 253 |