| Value | Category | Cases | |
|---|---|---|---|
| 0 | 248 |
12.1%
|
|
| 1 | 427 |
20.8%
|
|
| 2 | 465 |
22.7%
|
|
| 3 | 258 |
12.6%
|
|
| 4 | 186 |
9.1%
|
|
| 5 | 127 |
6.2%
|
|
| 6 | 59 |
2.9%
|
|
| 7 | 23 |
1.1%
|
|
| 8 | 65 |
3.2%
|
|
| 10 | 25 |
1.2%
|
|
| 12 | 17 |
0.8%
|
|
| 15 | 1 |
0%
|
|
| 16 | 4 |
0.2%
|
|
| 77 | Don't know | 143 |
7%
|