| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 635 |
1.6%
|
| 1 | 1 | 511 |
1.3%
|
| 2 | 2 | 1087 |
2.8%
|
| 3 | 3 | 1421 |
3.6%
|
| 4 | 4 | 1489 |
3.8%
|
| 5 | 5 | 4073 |
10.3%
|
| 6 | 6 | 3027 |
7.7%
|
| 7 | 7 | 4371 |
11.1%
|
| 8 | 8 | 5953 |
15.1%
|
| 9 | 9 | 4829 |
12.3%
|
| 10 | Always | 11990 |
30.4%
|
| 2147483622 | Not applicable | 0 |
0%
|
| 2147483623 | Refusal | 0 |
0%
|
| 2147483624 | Don't know | 0 |
0%
|
| 2147483625 | No answer | 0 |
0%
|
| 101 | .D | 15287 |