| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.3%
|
| 0 | 187 |
51.9%
|
|
| 1 | 2 |
0.6%
|
|
| 5 | 9 |
2.5%
|
|
| 10 | 16 |
4.4%
|
|
| 11 | 1 |
0.3%
|
|
| 15 | 7 |
1.9%
|
|
| 18 | 1 |
0.3%
|
|
| 20 | 32 |
8.9%
|
|
| 25 | 9 |
2.5%
|
|
| 30 | 22 |
6.1%
|
|
| 35 | 3 |
0.8%
|
|
| 40 | 16 |
4.4%
|
|
| 50 | 19 |
5.3%
|
|
| 55 | 1 |
0.3%
|
|
| 59 | 1 |
0.3%
|
|
| 60 | 8 |
2.2%
|
|
| 70 | 5 |
1.4%
|
|
| 75 | 1 |
0.3%
|
|
| 80 | 6 |
1.7%
|
|
| 90 | 1 |
0.3%
|
|
| 100 | 12 |
3.3%
|