| Value | Category | Cases | |
|---|---|---|---|
| 0 | 450 |
81.2%
|
|
| 5 | 1 |
0.2%
|
|
| 7 | 1 |
0.2%
|
|
| 10 | 11 |
2%
|
|
| 15 | 5 |
0.9%
|
|
| 20 | 5 |
0.9%
|
|
| 25 | 1 |
0.2%
|
|
| 30 | 69 |
12.5%
|
|
| 40 | 3 |
0.5%
|
|
| 45 | 2 |
0.4%
|
|
| 46 | 1 |
0.2%
|
|
| 59 | 4 |
0.7%
|
|
| 77 | Don't know | 1 |
0.2%
|