| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 10 |
2.5%
|
| 4 | 1 |
0.2%
|
|
| 15 | 1 |
0.2%
|
|
| 20 | 2 |
0.5%
|
|
| 35 | 1 |
0.2%
|
|
| 40 | 1 |
0.2%
|
|
| 50 | 3 |
0.7%
|
|
| 57 | 1 |
0.2%
|
|
| 60 | 5 |
1.2%
|
|
| 65 | 1 |
0.2%
|
|
| 70 | 9 |
2.2%
|
|
| 75 | 9 |
2.2%
|
|
| 80 | 18 |
4.5%
|
|
| 90 | 6 |
1.5%
|
|
| 99 | 1 |
0.2%
|
|
| 100 | 333 |
82.8%
|