| Value | Category | Cases | |
|---|---|---|---|
| 0 | 61 |
3.5%
|
|
| 1 | 202 |
11.4%
|
|
| 2 | 209 |
11.8%
|
|
| 3 | 266 |
15.1%
|
|
| 4 | 136 |
7.7%
|
|
| 5 | 211 |
11.9%
|
|
| 6 | 146 |
8.3%
|
|
| 7 | 534 |
30.2%
|
|
| 77 | Don't know | 1 |
0.1%
|