| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 21 |
2.1%
|
| 0 | 781 |
77.5%
|
|
| 3 | 2 |
0.2%
|
|
| 5 | 7 |
0.7%
|
|
| 7 | 1 |
0.1%
|
|
| 10 | 13 |
1.3%
|
|
| 12 | 1 |
0.1%
|
|
| 15 | 2 |
0.2%
|
|
| 20 | 20 |
2%
|
|
| 25 | 2 |
0.2%
|
|
| 30 | 17 |
1.7%
|
|
| 32 | 1 |
0.1%
|
|
| 35 | 2 |
0.2%
|
|
| 40 | 23 |
2.3%
|
|
| 45 | 2 |
0.2%
|
|
| 50 | 38 |
3.8%
|
|
| 52 | 1 |
0.1%
|
|
| 60 | 10 |
1%
|
|
| 65 | 3 |
0.3%
|
|
| 70 | 18 |
1.8%
|
|
| 75 | 4 |
0.4%
|
|
| 80 | 13 |
1.3%
|
|
| 85 | 5 |
0.5%
|
|
| 90 | 10 |
1%
|
|
| 95 | 1 |
0.1%
|
|
| 100 | 10 |
1%
|