| Value | Category | Cases | |
|---|---|---|---|
| 0 | 21 |
10.5%
|
|
| 1 | 7 |
3.5%
|
|
| 2 | 21 |
10.5%
|
|
| 3 | 4 |
2%
|
|
| 4 | 11 |
5.5%
|
|
| 5 | 12 |
6%
|
|
| 6 | 7 |
3.5%
|
|
| 7 | 8 |
4%
|
|
| 8 | 11 |
5.5%
|
|
| 9 | 1 |
0.5%
|
|
| 10 | 17 |
8.5%
|
|
| 11 | 1 |
0.5%
|
|
| 12 | 13 |
6.5%
|
|
| 13 | 2 |
1%
|
|
| 14 | 1 |
0.5%
|
|
| 15 | 3 |
1.5%
|
|
| 16 | 2 |
1%
|
|
| 17 | 1 |
0.5%
|
|
| 18 | 1 |
0.5%
|
|
| 19 | 1 |
0.5%
|
|
| 20 | 6 |
3%
|
|
| 22 | 1 |
0.5%
|
|
| 25 | 2 |
1%
|
|
| 30 | 2 |
1%
|
|
| 35 | 2 |
1%
|
|
| 38 | 1 |
0.5%
|
|
| 45 | 1 |
0.5%
|
|
| 50 | 1 |
0.5%
|
|
| 60 | 1 |
0.5%
|
|
| 75 | 1 |
0.5%
|
|
| 80 | 1 |
0.5%
|
|
| 9998 | Don't know | 36 |
18%
|