| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1. Never | 5106 |
62.1%
|
| 1 | 2. Once | 1065 |
13%
|
| 2 | 3. A few times | 1083 |
13.2%
|
| 3 | 4. Many times | 472 |
5.7%
|
| 98 | 5. Don't know | 0 |
0%
|
| 99 | 6. Refused | 0 |
0%
|
| c | 369 |
4.5%
|
|
| d | 128 |
1.6%
|