Value | Category | Cases | |
---|---|---|---|
0 | 47 |
94%
|
|
2 | 1 |
2%
|
|
18 | 1 |
2%
|
|
20 | 1 |
2%
|
|
77 | refuse | 0 |
0%
|
88 | dont know | 0 |
0%
|
99 | missing | 0 |
0%
|
Sysmiss | 4920 |