| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
1%
|
| 15 | 1 |
1%
|
|
| 30 | 1 |
1%
|
|
| 50 | 3 |
2.9%
|
|
| 55 | 2 |
1.9%
|
|
| 60 | 7 |
6.8%
|
|
| 65 | 1 |
1%
|
|
| 70 | 4 |
3.9%
|
|
| 75 | 6 |
5.8%
|
|
| 80 | 12 |
11.7%
|
|
| 85 | 1 |
1%
|
|
| 89 | 1 |
1%
|
|
| 90 | 6 |
5.8%
|
|
| 95 | 3 |
2.9%
|
|
| 98 | 1 |
1%
|
|
| 100 | 53 |
51.5%
|