Value | Category | Cases | |
---|---|---|---|
1 | Once | 132 |
5.9%
|
2 | Twice | 148 |
6.7%
|
3 | Three times or more | 235 |
10.6%
|
98 | Don't know | 98 |
4.4%
|
99 | Not applicable | 1612 |
72.4%
|
Sysmiss | 23217 |