| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 152 |
20.4%
|
| 1 | 1 | 64 |
8.6%
|
| 2 | 2 | 65 |
8.7%
|
| 3 | 3 | 81 |
10.9%
|
| 4 | 4 | 35 |
4.7%
|
| 5 | 5 | 27 |
3.6%
|
| 6 | 6 | 99 |
13.3%
|
| 7 | 7 | 29 |
3.9%
|
| 8 | 8 | 21 |
2.8%
|
| 9 | 9 | 39 |
5.2%
|
| 10 | 10 | 21 |
2.8%
|
| 11 | 11 | 6 |
0.8%
|
| 97 | 97 | 50 |
6.7%
|
| 98 | Don't know | 54 |
7.3%
|
| 99 | 99 | 1 |
0.1%
|