| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
1.3%
|
| 0 | 211 |
56.3%
|
|
| 2 | 1 |
0.3%
|
|
| 5 | 5 |
1.3%
|
|
| 10 | 24 |
6.4%
|
|
| 15 | 4 |
1.1%
|
|
| 20 | 35 |
9.3%
|
|
| 25 | 1 |
0.3%
|
|
| 30 | 14 |
3.7%
|
|
| 34 | 1 |
0.3%
|
|
| 35 | 1 |
0.3%
|
|
| 40 | 9 |
2.4%
|
|
| 49 | 1 |
0.3%
|
|
| 50 | 39 |
10.4%
|
|
| 60 | 5 |
1.3%
|
|
| 65 | 1 |
0.3%
|
|
| 70 | 12 |
3.2%
|
|
| 80 | 2 |
0.5%
|
|
| 90 | 2 |
0.5%
|
|
| 95 | 1 |
0.3%
|
|
| 100 | 1 |
0.3%
|