| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1296 |
59.2%
|
| 2 | Once | 184 |
8.4%
|
| 3 | Twice | 183 |
8.4%
|
| 4 | 3-5 times | 179 |
8.2%
|
| 5 | 6-10 times | 107 |
4.9%
|
| 6 | 11-20 times | 76 |
3.5%
|
| 7 | More than 20 times | 152 |
6.9%
|
| 8 | Not applicable | 11 |
0.5%
|