| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 256 |
74.2%
|
|
| 1 | 35 |
10.1%
|
|
| 2 | 10 |
2.9%
|
|
| 3 | 14 |
4.1%
|
|
| 4 | 6 |
1.7%
|
|
| 5 | 3 |
0.9%
|
|
| 6 | 4 |
1.2%
|
|
| 7 | 2 |
0.6%
|
|
| 8 | 2 |
0.6%
|
|
| 10 | 2 |
0.6%
|
|
| 12 | 1 |
0.3%
|
|
| 15 | 2 |
0.6%
|
|
| 20 | 2 |
0.6%
|
|
| 22 | 1 |
0.3%
|
|
| 25 | 1 |
0.3%
|
|
| 50 | 1 |
0.3%
|
|
| 100 | 1 |
0.3%
|
|
| 220 | 1 |
0.3%
|
|
| 300 | 1 |
0.3%
|