| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 12 |
2%
|
| 0 | 1 |
0.2%
|
|
| 1 | 2 |
0.3%
|
|
| 2 | 2 |
0.3%
|
|
| 9 | 1 |
0.2%
|
|
| 10 | 4 |
0.7%
|
|
| 15 | 1 |
0.2%
|
|
| 20 | 2 |
0.3%
|
|
| 30 | 1 |
0.2%
|
|
| 50 | 9 |
1.5%
|
|
| 55 | 1 |
0.2%
|
|
| 60 | 7 |
1.1%
|
|
| 70 | 7 |
1.1%
|
|
| 75 | 4 |
0.7%
|
|
| 80 | 21 |
3.4%
|
|
| 85 | 2 |
0.3%
|
|
| 90 | 69 |
11.3%
|
|
| 92 | 1 |
0.2%
|
|
| 95 | 104 |
17.1%
|
|
| 96 | 1 |
0.2%
|
|
| 97 | 3 |
0.5%
|
|
| 98 | 25 |
4.1%
|
|
| 99 | 51 |
8.4%
|
|
| 100 | 278 |
45.6%
|