| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 26 |
3.4%
|
| 0 | 271 |
35.1%
|
|
| 1 | 3 |
0.4%
|
|
| 2 | 4 |
0.5%
|
|
| 5 | 10 |
1.3%
|
|
| 7 | 2 |
0.3%
|
|
| 8 | 1 |
0.1%
|
|
| 10 | 35 |
4.5%
|
|
| 11 | 1 |
0.1%
|
|
| 12 | 1 |
0.1%
|
|
| 15 | 4 |
0.5%
|
|
| 17 | 1 |
0.1%
|
|
| 20 | 59 |
7.6%
|
|
| 25 | 12 |
1.6%
|
|
| 30 | 38 |
4.9%
|
|
| 34 | 1 |
0.1%
|
|
| 35 | 2 |
0.3%
|
|
| 40 | 47 |
6.1%
|
|
| 50 | 69 |
8.9%
|
|
| 55 | 2 |
0.3%
|
|
| 60 | 50 |
6.5%
|
|
| 65 | 4 |
0.5%
|
|
| 70 | 33 |
4.3%
|
|
| 72 | 1 |
0.1%
|
|
| 75 | 2 |
0.3%
|
|
| 77 | 1 |
0.1%
|
|
| 80 | 26 |
3.4%
|
|
| 85 | 2 |
0.3%
|
|
| 90 | 25 |
3.2%
|
|
| 93 | 1 |
0.1%
|
|
| 95 | 1 |
0.1%
|
|
| 99 | 2 |
0.3%
|
|
| 100 | 35 |
4.5%
|