| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
0.6%
|
|
| 1 | 5 |
0.8%
|
|
| 2 | 2 |
0.3%
|
|
| 7 | 1 |
0.2%
|
|
| 10 | 1 |
0.2%
|
|
| 20 | 1 |
0.2%
|
|
| 1980 | 16 |
2.6%
|
|
| 1990 | 1 |
0.2%
|
|
| 1994 | 7 |
1.1%
|
|
| 1996 | 3 |
0.5%
|
|
| 1998 | 13 |
2.1%
|
|
| 2000 | 4 |
0.6%
|
|
| 2001 | 5 |
0.8%
|
|
| 2002 | 4 |
0.6%
|
|
| 2003 | 2 |
0.3%
|
|
| 2004 | 1 |
0.2%
|
|
| 2005 | 8 |
1.3%
|
|
| 2006 | 2 |
0.3%
|
|
| 2007 | 1 |
0.2%
|
|
| 2008 | 12 |
1.9%
|
|
| 2009 | 7 |
1.1%
|
|
| 2010 | 19 |
3.1%
|
|
| 2011 | 7 |
1.1%
|
|
| 2012 | 27 |
4.4%
|
|
| 2013 | 37 |
6%
|
|
| 2014 | 63 |
10.2%
|
|
| 2015 | 47 |
7.6%
|
|
| 2016 | 66 |
10.6%
|
|
| 2017 | 137 |
22.1%
|
|
| 2018 | 107 |
17.3%
|
|
| 9999 | 9 |
1.5%
|
|
| 20013 | 1 |
0.2%
|
|
| Sysmiss | 10 |