Value | Category | Cases | |
---|---|---|---|
2006 | 1 |
0.3%
|
|
2007 | 5 |
1.3%
|
|
2008 | 17 |
4.4%
|
|
2009 | 37 |
9.5%
|
|
2010 | 136 |
35%
|
|
2011 | 180 |
46.3%
|
|
9997 | Inconsistent (Secondary Editing) | 4 |
1%
|
9999 | Missing | 9 |
2.3%
|
Sysmiss | 4383 |