| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1545 |
25.7%
|
|
| 1 | 197 |
3.3%
|
|
| 2 | 426 |
7.1%
|
|
| 3 | 437 |
7.3%
|
|
| 4 | 220 |
3.7%
|
|
| 5 | 1197 |
19.9%
|
|
| 6 | 165 |
2.7%
|
|
| 7 | 1821 |
30.3%
|
|
| 77 | Don't know | 5 |
0.1%
|