| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 50 | 5 |
1.4%
|
|
| 53 | 1 |
0.3%
|
|
| 55 | 6 |
1.7%
|
|
| 60 | 19 |
5.4%
|
|
| 70 | 12 |
3.4%
|
|
| 80 | 17 |
4.8%
|
|
| 85 | 3 |
0.8%
|
|
| 87 | 1 |
0.3%
|
|
| 90 | 16 |
4.5%
|
|
| 95 | 3 |
0.8%
|
|
| 100 | 271 |
76.6%
|