| Value | Category | Cases | |
|---|---|---|---|
| 0 | 174 |
3.8%
|
|
| 1 | 480 |
10.3%
|
|
| 2 | 822 |
17.7%
|
|
| 3 | 888 |
19.1%
|
|
| 4 | 347 |
7.5%
|
|
| 5 | 366 |
7.9%
|
|
| 6 | 101 |
2.2%
|
|
| 7 | 1453 |
31.3%
|
|
| 77 | Don't know | 7 |
0.2%
|