| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 0 |
0%
|
| 0 | 472 |
97.9%
|
|
| 20 | 1 |
0.2%
|
|
| 45 | 1 |
0.2%
|
|
| 50 | 1 |
0.2%
|
|
| 60 | 3 |
0.6%
|
|
| 75 | 1 |
0.2%
|
|
| 80 | 2 |
0.4%
|
|
| 99 | 1 |
0.2%
|