| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 7 |
3.3%
|
| 0 | 52 |
24.2%
|
|
| 5 | 3 |
1.4%
|
|
| 6 | 1 |
0.5%
|
|
| 9 | 1 |
0.5%
|
|
| 10 | 3 |
1.4%
|
|
| 15 | 1 |
0.5%
|
|
| 20 | 9 |
4.2%
|
|
| 30 | 3 |
1.4%
|
|
| 35 | 1 |
0.5%
|
|
| 40 | 7 |
3.3%
|
|
| 50 | 6 |
2.8%
|
|
| 55 | 1 |
0.5%
|
|
| 60 | 19 |
8.8%
|
|
| 65 | 3 |
1.4%
|
|
| 70 | 13 |
6%
|
|
| 75 | 7 |
3.3%
|
|
| 80 | 13 |
6%
|
|
| 85 | 8 |
3.7%
|
|
| 89 | 1 |
0.5%
|
|
| 90 | 20 |
9.3%
|
|
| 95 | 11 |
5.1%
|
|
| 96 | 1 |
0.5%
|
|
| 99 | 2 |
0.9%
|
|
| 100 | 22 |
10.2%
|