| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 121 |
11%
|
| 0 | 69 |
6.3%
|
|
| 5 | 1 |
0.1%
|
|
| 10 | 7 |
0.6%
|
|
| 20 | 15 |
1.4%
|
|
| 25 | 1 |
0.1%
|
|
| 30 | 20 |
1.8%
|
|
| 35 | 3 |
0.3%
|
|
| 40 | 31 |
2.8%
|
|
| 45 | 1 |
0.1%
|
|
| 48 | 1 |
0.1%
|
|
| 50 | 77 |
7%
|
|
| 55 | 3 |
0.3%
|
|
| 60 | 38 |
3.5%
|
|
| 61 | 1 |
0.1%
|
|
| 70 | 28 |
2.6%
|
|
| 75 | 3 |
0.3%
|
|
| 80 | 33 |
3%
|
|
| 85 | 3 |
0.3%
|
|
| 90 | 12 |
1.1%
|
|
| 99 | 1 |
0.1%
|
|
| 100 | 627 |
57.2%
|