| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 135 |
22.6%
|
| 0 | 23 |
3.8%
|
|
| 1 | 24 |
4%
|
|
| 2 | 56 |
9.4%
|
|
| 3 | 42 |
7%
|
|
| 4 | 40 |
6.7%
|
|
| 5 | 58 |
9.7%
|
|
| 6 | 26 |
4.3%
|
|
| 7 | 6 |
1%
|
|
| 8 | 15 |
2.5%
|
|
| 9 | 3 |
0.5%
|
|
| 10 | 38 |
6.4%
|
|
| 11 | 2 |
0.3%
|
|
| 12 | 3 |
0.5%
|
|
| 14 | 3 |
0.5%
|
|
| 15 | 13 |
2.2%
|
|
| 18 | 2 |
0.3%
|
|
| 19 | 1 |
0.2%
|
|
| 20 | 27 |
4.5%
|
|
| 21 | 1 |
0.2%
|
|
| 23 | 1 |
0.2%
|
|
| 25 | 6 |
1%
|
|
| 26 | 1 |
0.2%
|
|
| 28 | 1 |
0.2%
|
|
| 30 | 17 |
2.8%
|
|
| 31 | 1 |
0.2%
|
|
| 35 | 1 |
0.2%
|
|
| 40 | 10 |
1.7%
|
|
| 50 | 13 |
2.2%
|
|
| 56 | 1 |
0.2%
|
|
| 60 | 6 |
1%
|
|
| 64 | 1 |
0.2%
|
|
| 70 | 3 |
0.5%
|
|
| 75 | 1 |
0.2%
|
|
| 80 | 3 |
0.5%
|
|
| 100 | 8 |
1.3%
|
|
| 120 | 1 |
0.2%
|
|
| 170 | 1 |
0.2%
|
|
| 250 | 1 |
0.2%
|
|
| 300 | 2 |
0.3%
|
|
| 4980 | 1 |
0.2%
|