| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 13 |
4.2%
|
| 0 | 40 |
13%
|
|
| 1 | 1 |
0.3%
|
|
| 5 | 2 |
0.7%
|
|
| 18 | 1 |
0.3%
|
|
| 30 | 3 |
1%
|
|
| 40 | 1 |
0.3%
|
|
| 50 | 9 |
2.9%
|
|
| 51 | 2 |
0.7%
|
|
| 55 | 1 |
0.3%
|
|
| 56 | 1 |
0.3%
|
|
| 60 | 1 |
0.3%
|
|
| 61 | 1 |
0.3%
|
|
| 69 | 1 |
0.3%
|
|
| 70 | 5 |
1.6%
|
|
| 80 | 4 |
1.3%
|
|
| 89 | 1 |
0.3%
|
|
| 90 | 2 |
0.7%
|
|
| 100 | 218 |
71%
|