| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1223 |
55.9%
|
| 2 | Once | 183 |
8.4%
|
| 3 | Twice | 173 |
7.9%
|
| 4 | 3-5 times | 194 |
8.9%
|
| 5 | 6-10 times | 127 |
5.8%
|
| 6 | 11-20 times | 113 |
5.2%
|
| 7 | More than 20 times | 164 |
7.5%
|
| 8 | Not applicable | 11 |
0.5%
|