Value | Category | Cases | |
---|---|---|---|
-99 | Don't know | 14 |
21.2%
|
2006 | 1 |
1.5%
|
|
2007 | 1 |
1.5%
|
|
2009 | 2 |
3%
|
|
9888 | Continuing | 48 |
72.7%
|
Sysmiss | 120 |