Value | Category | Cases | |
---|---|---|---|
0 | 6 |
0.2%
|
|
2007 | 1 |
0%
|
|
2011 | 19 |
0.7%
|
|
2012 | 1538 |
57%
|
|
2013 | 1134 |
42%
|
|
Sysmiss | 1807 |