Value | Category | Cases | |
---|---|---|---|
2007 | 3 |
0.9%
|
|
2008 | 19 |
5.9%
|
|
2009 | 22 |
6.9%
|
|
2010 | 124 |
38.6%
|
|
2011 | 139 |
43.3%
|
|
9997 | Inconsistent (Secondary Editing) | 2 |
0.6%
|
9999 | Missing | 12 |
3.7%
|
Sysmiss | 4451 |