| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 44 |
0.5%
|
| 0 | 6721 |
71.7%
|
|
| 2 | 3 |
0%
|
|
| 5 | 157 |
1.7%
|
|
| 6 | 1 |
0%
|
|
| 10 | 588 |
6.3%
|
|
| 13 | 1 |
0%
|
|
| 14 | 3 |
0%
|
|
| 15 | 196 |
2.1%
|
|
| 18 | 1 |
0%
|
|
| 20 | 808 |
8.6%
|
|
| 21 | 1 |
0%
|
|
| 22 | 1 |
0%
|
|
| 24 | 4 |
0%
|
|
| 25 | 121 |
1.3%
|
|
| 28 | 3 |
0%
|
|
| 30 | 340 |
3.6%
|
|
| 32 | 1 |
0%
|
|
| 35 | 51 |
0.5%
|
|
| 36 | 2 |
0%
|
|
| 40 | 183 |
2%
|
|
| 45 | 13 |
0.1%
|
|
| 50 | 93 |
1%
|
|
| 52 | 1 |
0%
|
|
| 55 | 6 |
0.1%
|
|
| 60 | 24 |
0.3%
|
|
| 65 | 1 |
0%
|
|
| 70 | 2 |
0%
|
|
| 80 | 2 |
0%
|
|
| 90 | 3 |
0%
|
|
| 100 | 1 |
0%
|