| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 12 |
1.9%
|
| 0 | 69 |
11.1%
|
|
| 2 | 1 |
0.2%
|
|
| 5 | 5 |
0.8%
|
|
| 10 | 23 |
3.7%
|
|
| 15 | 1 |
0.2%
|
|
| 20 | 11 |
1.8%
|
|
| 25 | 1 |
0.2%
|
|
| 30 | 12 |
1.9%
|
|
| 35 | 2 |
0.3%
|
|
| 40 | 3 |
0.5%
|
|
| 50 | 36 |
5.8%
|
|
| 60 | 8 |
1.3%
|
|
| 70 | 44 |
7.1%
|
|
| 75 | 4 |
0.6%
|
|
| 80 | 84 |
13.5%
|
|
| 85 | 1 |
0.2%
|
|
| 90 | 109 |
17.5%
|
|
| 95 | 16 |
2.6%
|
|
| 98 | 1 |
0.2%
|
|
| 99 | 7 |
1.1%
|
|
| 100 | 173 |
27.8%
|