| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | once | 655 | 612 |
19.8%
|
| 2 | times | 233 | 197 |
6.4%
|
| 3 | more than 3 times | 111 | 90 |
2.9%
|
| 98 | not applicable | 2089 | 2189 |
70.9%
|