| Value | Category | Cases | |
|---|---|---|---|
| 1 | 3 |
0.1%
|
|
| 4 | 1 |
0%
|
|
| 10 | 1 |
0%
|
|
| 1975 | 1 |
0%
|
|
| 1981 | 1 |
0%
|
|
| 1985 | 1 |
0%
|
|
| 1986 | 2 |
0%
|
|
| 1987 | 2 |
0%
|
|
| 1988 | 1 |
0%
|
|
| 1989 | 2 |
0%
|
|
| 1990 | 3 |
0.1%
|
|
| 1991 | 3 |
0.1%
|
|
| 1992 | 7 |
0.1%
|
|
| 1993 | 5 |
0.1%
|
|
| 1994 | 7 |
0.1%
|
|
| 1995 | 9 |
0.2%
|
|
| 1996 | 7 |
0.1%
|
|
| 1997 | 18 |
0.3%
|
|
| 1998 | 12 |
0.2%
|
|
| 1999 | 9 |
0.2%
|
|
| 2000 | 26 |
0.5%
|
|
| 2001 | 14 |
0.3%
|
|
| 2002 | 19 |
0.4%
|
|
| 2003 | 15 |
0.3%
|
|
| 2004 | 28 |
0.5%
|
|
| 2005 | 25 |
0.5%
|
|
| 2006 | 39 |
0.8%
|
|
| 2007 | 41 |
0.8%
|
|
| 2008 | 43 |
0.8%
|
|
| 2009 | 66 |
1.3%
|
|
| 2010 | 90 |
1.7%
|
|
| 2011 | 146 |
2.8%
|
|
| 2012 | 322 |
6.2%
|
|
| 2013 | 1031 |
19.8%
|
|
| 2014 | 2084 |
40.1%
|
|
| 2015 | 1116 |
21.5%
|
|
| Sysmiss | 978 |