| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 42 |
7%
|
| 0 | 131 |
21.8%
|
|
| 1 | 3 |
0.5%
|
|
| 2 | 7 |
1.2%
|
|
| 3 | 1 |
0.2%
|
|
| 4 | 1 |
0.2%
|
|
| 5 | 14 |
2.3%
|
|
| 7 | 2 |
0.3%
|
|
| 8 | 1 |
0.2%
|
|
| 9 | 1 |
0.2%
|
|
| 10 | 28 |
4.7%
|
|
| 12 | 1 |
0.2%
|
|
| 15 | 9 |
1.5%
|
|
| 20 | 47 |
7.8%
|
|
| 24 | 1 |
0.2%
|
|
| 25 | 10 |
1.7%
|
|
| 30 | 33 |
5.5%
|
|
| 35 | 7 |
1.2%
|
|
| 40 | 21 |
3.5%
|
|
| 42 | 1 |
0.2%
|
|
| 43 | 1 |
0.2%
|
|
| 45 | 2 |
0.3%
|
|
| 50 | 43 |
7.2%
|
|
| 55 | 1 |
0.2%
|
|
| 60 | 16 |
2.7%
|
|
| 65 | 1 |
0.2%
|
|
| 67 | 4 |
0.7%
|
|
| 70 | 31 |
5.2%
|
|
| 75 | 15 |
2.5%
|
|
| 80 | 35 |
5.8%
|
|
| 85 | 6 |
1%
|
|
| 90 | 38 |
6.3%
|
|
| 95 | 13 |
2.2%
|
|
| 99 | 1 |
0.2%
|
|
| 100 | 32 |
5.3%
|