| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 136 |
22.7%
|
| 0 | 286 |
47.8%
|
|
| 1 | 1 |
0.2%
|
|
| 2 | 2 |
0.3%
|
|
| 5 | 2 |
0.3%
|
|
| 10 | 11 |
1.8%
|
|
| 20 | 15 |
2.5%
|
|
| 30 | 8 |
1.3%
|
|
| 33 | 2 |
0.3%
|
|
| 40 | 12 |
2%
|
|
| 50 | 37 |
6.2%
|
|
| 55 | 1 |
0.2%
|
|
| 60 | 8 |
1.3%
|
|
| 66 | 1 |
0.2%
|
|
| 70 | 10 |
1.7%
|
|
| 75 | 1 |
0.2%
|
|
| 80 | 21 |
3.5%
|
|
| 85 | 1 |
0.2%
|
|
| 90 | 13 |
2.2%
|
|
| 95 | 2 |
0.3%
|
|
| 100 | 28 |
4.7%
|