| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 35699 |
75.7%
|
| 2 | Once | 4800 |
10.2%
|
| 3 | Twice | 2425 |
5.1%
|
| 4 | 3 or 4 times | 1087 |
2.3%
|
| 5 | 5 times or more | 492 |
1%
|
| 6 | No experience | 2682 |
5.7%
|
| 2147483623 | Refused | 0 |
0%
|
| 2147483624 | Don't know | 0 |
0%
|
| 2147483625 | No answer | 0 |
0%
|
| 11 | .D | 1881 |