| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 75 |
7.4%
|
| 0 | 433 |
42.5%
|
|
| 5 | 1 |
0.1%
|
|
| 10 | 16 |
1.6%
|
|
| 15 | 1 |
0.1%
|
|
| 18 | 1 |
0.1%
|
|
| 20 | 34 |
3.3%
|
|
| 25 | 12 |
1.2%
|
|
| 30 | 16 |
1.6%
|
|
| 35 | 2 |
0.2%
|
|
| 40 | 40 |
3.9%
|
|
| 45 | 2 |
0.2%
|
|
| 50 | 85 |
8.3%
|
|
| 55 | 1 |
0.1%
|
|
| 60 | 38 |
3.7%
|
|
| 65 | 2 |
0.2%
|
|
| 70 | 31 |
3%
|
|
| 72 | 1 |
0.1%
|
|
| 75 | 22 |
2.2%
|
|
| 80 | 68 |
6.7%
|
|
| 85 | 2 |
0.2%
|
|
| 90 | 38 |
3.7%
|
|
| 92 | 1 |
0.1%
|
|
| 95 | 12 |
1.2%
|
|
| 98 | 1 |
0.1%
|
|
| 99 | 2 |
0.2%
|
|
| 100 | 82 |
8%
|