| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 9 |
6%
|
| 0 | 16 |
10.7%
|
|
| 5 | 3 |
2%
|
|
| 10 | 3 |
2%
|
|
| 20 | 2 |
1.3%
|
|
| 30 | 1 |
0.7%
|
|
| 35 | 2 |
1.3%
|
|
| 40 | 3 |
2%
|
|
| 50 | 12 |
8%
|
|
| 60 | 6 |
4%
|
|
| 65 | 1 |
0.7%
|
|
| 70 | 14 |
9.3%
|
|
| 75 | 1 |
0.7%
|
|
| 80 | 17 |
11.3%
|
|
| 81 | 1 |
0.7%
|
|
| 90 | 22 |
14.7%
|
|
| 93 | 1 |
0.7%
|
|
| 95 | 8 |
5.3%
|
|
| 99 | 3 |
2%
|
|
| 100 | 25 |
16.7%
|