| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 29037 |
57%
|
| 2 | Once | 5232 |
10.3%
|
| 3 | Twice | 4424 |
8.7%
|
| 4 | 3 or 4 times | 4082 |
8%
|
| 5 | 5 times or more | 8156 |
16%
|
| 2147483623 | Refusal | 0 |
0%
|
| 2147483624 | Don't know | 0 |
0%
|
| 2147483625 | No answer | 0 |
0%
|
| 11 | .D | 1527 |