Value | Category | Cases | |
---|---|---|---|
20 | 1 |
50%
|
|
70 | 1 |
50%
|
|
77 | refuse | 0 |
0%
|
88 | don't know | 0 |
0%
|
99 | missing | 0 |
0%
|
Sysmiss | 4968 |