| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 32168 |
69.1%
|
| 2 | Once | 3753 |
8.1%
|
| 3 | Twice | 3187 |
6.8%
|
| 4 | 3 or 4 times | 2305 |
4.9%
|
| 5 | 5 times or more | 2087 |
4.5%
|
| 6 | No experience | 3072 |
6.6%
|
| 2147483623 | Refused | 0 |
0%
|
| 2147483624 | Don't know | 0 |
0%
|
| 2147483625 | No answer | 0 |
0%
|
| 11 | .D | 2494 |