| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
0.2%
|
| 0 | 592 |
57.8%
|
|
| 2 | 3 |
0.3%
|
|
| 4 | 1 |
0.1%
|
|
| 5 | 6 |
0.6%
|
|
| 10 | 23 |
2.2%
|
|
| 15 | 6 |
0.6%
|
|
| 20 | 47 |
4.6%
|
|
| 25 | 3 |
0.3%
|
|
| 30 | 24 |
2.3%
|
|
| 35 | 2 |
0.2%
|
|
| 40 | 20 |
2%
|
|
| 50 | 27 |
2.6%
|
|
| 55 | 1 |
0.1%
|
|
| 60 | 13 |
1.3%
|
|
| 65 | 2 |
0.2%
|
|
| 70 | 31 |
3%
|
|
| 80 | 29 |
2.8%
|
|
| 85 | 8 |
0.8%
|
|
| 90 | 24 |
2.3%
|
|
| 95 | 5 |
0.5%
|
|
| 97 | 1 |
0.1%
|
|
| 100 | 155 |
15.1%
|