| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
0.4%
|
| 0 | 168 |
31.6%
|
|
| 10 | 13 |
2.4%
|
|
| 15 | 1 |
0.2%
|
|
| 20 | 28 |
5.3%
|
|
| 25 | 3 |
0.6%
|
|
| 30 | 25 |
4.7%
|
|
| 35 | 5 |
0.9%
|
|
| 40 | 17 |
3.2%
|
|
| 45 | 2 |
0.4%
|
|
| 50 | 69 |
13%
|
|
| 60 | 24 |
4.5%
|
|
| 70 | 27 |
5.1%
|
|
| 75 | 6 |
1.1%
|
|
| 80 | 24 |
4.5%
|
|
| 85 | 2 |
0.4%
|
|
| 90 | 17 |
3.2%
|
|
| 95 | 3 |
0.6%
|
|
| 100 | 96 |
18%
|