| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1. Never | 6226 |
75.7%
|
| 1 | 2. Once | 893 |
10.9%
|
| 2 | 3. A few times | 500 |
6.1%
|
| 3 | 4. Many times | 232 |
2.8%
|
| 98 | 5. Don't know | 0 |
0%
|
| 99 | 6. Refused | 0 |
0%
|
| c | 282 |
3.4%
|
|
| d | 90 |
1.1%
|