| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 1578 |
65%
|
| 1 | Just once or twice | 521 |
21.5%
|
| 2 | Several times | 249 |
10.3%
|
| 3 | Many times | 64 |
2.6%
|
| 4 | Always | 6 |
0.2%
|
| 9 | Don't Know | 10 |
0.4%
|