| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 4658 |
11.2%
|
| 1 | 1 | 2812 |
6.8%
|
| 2 | 2 | 4677 |
11.3%
|
| 3 | 3 | 5568 |
13.4%
|
| 4 | 4 | 4661 |
11.2%
|
| 5 | 5 | 6738 |
16.2%
|
| 6 | 6 | 4480 |
10.8%
|
| 7 | 7 | 3858 |
9.3%
|
| 8 | 8 | 2559 |
6.2%
|
| 9 | 9 | 751 |
1.8%
|
| 10 | Always | 755 |
1.8%
|
| 2147483622 | Not applicable | 0 |
0%
|
| 2147483623 | Refusal | 0 |
0%
|
| 2147483624 | Don't know | 0 |
0%
|
| 2147483625 | No answer | 0 |
0%
|
| 101 | .D | 13156 |