| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
1.4%
|
| 0 | 27 |
7.5%
|
|
| 1 | 15 |
4.2%
|
|
| 2 | 6 |
1.7%
|
|
| 3 | 2 |
0.6%
|
|
| 5 | 9 |
2.5%
|
|
| 10 | 17 |
4.7%
|
|
| 15 | 7 |
2%
|
|
| 20 | 23 |
6.4%
|
|
| 25 | 8 |
2.2%
|
|
| 30 | 20 |
5.6%
|
|
| 35 | 1 |
0.3%
|
|
| 40 | 17 |
4.7%
|
|
| 45 | 2 |
0.6%
|
|
| 50 | 31 |
8.7%
|
|
| 55 | 4 |
1.1%
|
|
| 56 | 1 |
0.3%
|
|
| 60 | 26 |
7.3%
|
|
| 65 | 6 |
1.7%
|
|
| 70 | 30 |
8.4%
|
|
| 75 | 9 |
2.5%
|
|
| 80 | 22 |
6.1%
|
|
| 85 | 8 |
2.2%
|
|
| 90 | 18 |
5%
|
|
| 94 | 1 |
0.3%
|
|
| 95 | 11 |
3.1%
|
|
| 98 | 9 |
2.5%
|
|
| 99 | 5 |
1.4%
|
|
| 100 | 18 |
5%
|