| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1037 |
43.2%
|
| 1 | Just once or twice | 535 |
22.3%
|
| 2 | Several times | 493 |
20.5%
|
| 3 | Many times | 257 |
10.7%
|
| 4 | Always | 74 |
3.1%
|
| 9 | Don't Know | 4 |
0.2%
|
| 998 | 0 |
0%
|