| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 8 |
3.4%
|
| 15 | 1 |
0.4%
|
|
| 30 | 2 |
0.9%
|
|
| 35 | 1 |
0.4%
|
|
| 40 | 3 |
1.3%
|
|
| 50 | 6 |
2.6%
|
|
| 60 | 13 |
5.6%
|
|
| 65 | 3 |
1.3%
|
|
| 70 | 10 |
4.3%
|
|
| 75 | 8 |
3.4%
|
|
| 80 | 14 |
6%
|
|
| 85 | 2 |
0.9%
|
|
| 90 | 7 |
3%
|
|
| 95 | 3 |
1.3%
|
|
| 99 | 1 |
0.4%
|
|
| 100 | 151 |
64.8%
|