Value | Category | Cases | |
---|---|---|---|
1 | Before 1980 | 46 |
17.6%
|
2 | 1980-1999 | 85 |
32.6%
|
3 | 2000 or after | 87 |
33.3%
|
9999 | Don't know | 43 |
16.5%
|
Sysmiss | 19 |