| Value | Category | Cases | |
|---|---|---|---|
| 0 | 395 |
13.1%
|
|
| 1 | 727 |
24.1%
|
|
| 2 | 537 |
17.8%
|
|
| 3 | 459 |
15.2%
|
|
| 4 | 118 |
3.9%
|
|
| 5 | 103 |
3.4%
|
|
| 6 | 16 |
0.5%
|
|
| 7 | 546 |
18.1%
|
|
| 77 | Don't know | 109 |
3.6%
|
| 99 | Missing | 11 |
0.4%
|