| Value | Category | Cases | |
|---|---|---|---|
| -999999999 | missing | 0 |
0%
|
| 2008 | 2 |
0.2%
|
|
| 2009 | 1 |
0.1%
|
|
| 2010 | 1 |
0.1%
|
|
| 2011 | 1 |
0.1%
|
|
| 2012 | 3 |
0.3%
|
|
| 2013 | 4 |
0.4%
|
|
| 2014 | 8 |
0.8%
|
|
| 2015 | 13 |
1.3%
|
|
| 2016 | 29 |
2.9%
|
|
| 2017 | 80 |
7.9%
|
|
| 2018 | 617 |
61.2%
|
|
| 2019 | 249 |
24.7%
|
|
| Sysmiss | 45006 |