| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
0.6%
|
| 0 | 251 |
71.1%
|
|
| 1 | 15 |
4.2%
|
|
| 2 | 16 |
4.5%
|
|
| 3 | 11 |
3.1%
|
|
| 4 | 4 |
1.1%
|
|
| 5 | 11 |
3.1%
|
|
| 6 | 5 |
1.4%
|
|
| 7 | 2 |
0.6%
|
|
| 8 | 1 |
0.3%
|
|
| 10 | 6 |
1.7%
|
|
| 12 | 1 |
0.3%
|
|
| 14 | 1 |
0.3%
|
|
| 15 | 5 |
1.4%
|
|
| 16 | 2 |
0.6%
|
|
| 17 | 1 |
0.3%
|
|
| 18 | 1 |
0.3%
|
|
| 20 | 3 |
0.8%
|
|
| 25 | 2 |
0.6%
|
|
| 28 | 1 |
0.3%
|
|
| 30 | 2 |
0.6%
|
|
| 35 | 1 |
0.3%
|
|
| 40 | 1 |
0.3%
|
|
| 45 | 1 |
0.3%
|
|
| 50 | 1 |
0.3%
|
|
| 59 | 1 |
0.3%
|
|
| 60 | 1 |
0.3%
|
|
| 64 | 1 |
0.3%
|
|
| 70 | 1 |
0.3%
|
|
| 490 | 1 |
0.3%
|
|
| 620 | 1 |
0.3%
|