| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 59 |
8.1%
|
| 0 | 157 |
21.5%
|
|
| 1 | 6 |
0.8%
|
|
| 2 | 4 |
0.5%
|
|
| 5 | 14 |
1.9%
|
|
| 7 | 1 |
0.1%
|
|
| 10 | 25 |
3.4%
|
|
| 15 | 11 |
1.5%
|
|
| 20 | 37 |
5.1%
|
|
| 25 | 17 |
2.3%
|
|
| 30 | 40 |
5.5%
|
|
| 35 | 2 |
0.3%
|
|
| 40 | 35 |
4.8%
|
|
| 45 | 10 |
1.4%
|
|
| 50 | 52 |
7.1%
|
|
| 55 | 1 |
0.1%
|
|
| 60 | 38 |
5.2%
|
|
| 65 | 2 |
0.3%
|
|
| 70 | 23 |
3.2%
|
|
| 75 | 15 |
2.1%
|
|
| 80 | 53 |
7.3%
|
|
| 85 | 8 |
1.1%
|
|
| 90 | 43 |
5.9%
|
|
| 95 | 20 |
2.7%
|
|
| 98 | 5 |
0.7%
|
|
| 99 | 4 |
0.5%
|
|
| 100 | 47 |
6.4%
|