| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 888 |
74.2%
|
| 1 | Just once or twice | 131 |
11%
|
| 2 | Several times | 118 |
9.9%
|
| 3 | Many times | 38 |
3.2%
|
| 4 | Always | 18 |
1.5%
|
| 9 | Don't Know | 3 |
0.3%
|
| 998 | Refused | 0 |
0%
|