| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 197 |
8.2%
|
| 1 | Just once or twice | 83 |
3.5%
|
| 2 | Several times | 117 |
4.9%
|
| 3 | Many times | 67 |
2.8%
|
| 4 | Always | 1929 |
80.4%
|
| 9 | Don't Know | 7 |
0.3%
|
| 98 | Refused | 0 |
0%
|