| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 27 |
11%
|
|
| 1 | 167 |
67.9%
|
|
| 2 | 17 |
6.9%
|
|
| 3 | 19 |
7.7%
|
|
| 4 | 2 |
0.8%
|
|
| 5 | 8 |
3.3%
|
|
| 6 | 2 |
0.8%
|
|
| 10 | 4 |
1.6%
|