| Value | Category | Cases | |
|---|---|---|---|
| 0 | 19 |
9.5%
|
|
| 0.5 | 1 |
0.5%
|
|
| 1 | 18 |
9%
|
|
| 1.5 | 1 |
0.5%
|
|
| 2 | 10 |
5%
|
|
| 3 | 16 |
8%
|
|
| 4 | 13 |
6.5%
|
|
| 5 | 15 |
7.5%
|
|
| 6 | 5 |
2.5%
|
|
| 7 | 12 |
6%
|
|
| 8 | 10 |
5%
|
|
| 9 | 3 |
1.5%
|
|
| 10 | 18 |
9%
|
|
| 11 | 2 |
1%
|
|
| 12 | 12 |
6%
|
|
| 13 | 1 |
0.5%
|
|
| 15 | 18 |
9%
|
|
| 16 | 3 |
1.5%
|
|
| 18 | 2 |
1%
|
|
| 19 | 1 |
0.5%
|
|
| 20 | 9 |
4.5%
|
|
| 22 | 2 |
1%
|
|
| 23 | 1 |
0.5%
|
|
| 30 | 2 |
1%
|
|
| 35 | 4 |
2%
|
|
| 40 | 1 |
0.5%
|
|
| 9998 | Don't know | 1 |
0.5%
|