| Value | Category | Cases | |
|---|---|---|---|
| -1 | 4 |
0.2%
|
|
| 0 | Never | 2238 |
93.3%
|
| 1 | Once or twice | 49 |
2%
|
| 2 | A few times | 44 |
1.8%
|
| 3 | Often | 16 |
0.7%
|
| 7 | No experience with this in past year | 0 |
0%
|
| 9 | Don't know | 48 |
2%
|