| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 |
1%
|
| 0 | 292 |
48.4%
|
|
| 2 | 1 |
0.2%
|
|
| 5 | 3 |
0.5%
|
|
| 10 | 4 |
0.7%
|
|
| 15 | 4 |
0.7%
|
|
| 20 | 52 |
8.6%
|
|
| 25 | 6 |
1%
|
|
| 30 | 16 |
2.7%
|
|
| 35 | 3 |
0.5%
|
|
| 40 | 13 |
2.2%
|
|
| 50 | 27 |
4.5%
|
|
| 55 | 5 |
0.8%
|
|
| 60 | 18 |
3%
|
|
| 70 | 17 |
2.8%
|
|
| 75 | 9 |
1.5%
|
|
| 80 | 32 |
5.3%
|
|
| 85 | 2 |
0.3%
|
|
| 88 | 1 |
0.2%
|
|
| 90 | 35 |
5.8%
|
|
| 93 | 1 |
0.2%
|
|
| 95 | 8 |
1.3%
|
|
| 97 | 1 |
0.2%
|
|
| 98 | 1 |
0.2%
|
|
| 99 | 1 |
0.2%
|
|
| 100 | 45 |
7.5%
|