| Value | Category | Cases | |
|---|---|---|---|
| 0 | 9 |
0.3%
|
|
| 2 | 1 |
0%
|
|
| 999 | 7 |
0.2%
|
|
| 1999 | 2 |
0.1%
|
|
| 2000 | 17 |
0.5%
|
|
| 2001 | 1 |
0%
|
|
| 2003 | 1 |
0%
|
|
| 2004 | 5 |
0.2%
|
|
| 2005 | 2 |
0.1%
|
|
| 2006 | 3 |
0.1%
|
|
| 2007 | 2 |
0.1%
|
|
| 2008 | 4 |
0.1%
|
|
| 2009 | 9 |
0.3%
|
|
| 2010 | 14 |
0.4%
|
|
| 2011 | 4 |
0.1%
|
|
| 2012 | 18 |
0.6%
|
|
| 2013 | 6 |
0.2%
|
|
| 2014 | 34 |
1.1%
|
|
| 2015 | 79 |
2.5%
|
|
| 2016 | 130 |
4%
|
|
| 2017 | 349 |
10.9%
|
|
| 2018 | 1586 |
49.4%
|
|
| 2019 | 672 |
20.9%
|
|
| 2020 | 34 |
1.1%
|
|
| 9999 | 221 |
6.9%
|
|
| Sysmiss | 19 |