| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1. Never | 7729 |
94%
|
| 1 | 2. Once | 191 |
2.3%
|
| 2 | 3. A few times | 71 |
0.9%
|
| 3 | 4. Many times | 50 |
0.6%
|
| 98 | 5. Don't know | 0 |
0%
|
| 99 | 6. Refused | 0 |
0%
|
| c | 125 |
1.5%
|
|
| d | 57 |
0.7%
|