| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
0.8%
|
| 2 | 3 |
1.2%
|
|
| 3 | 1 |
0.4%
|
|
| 5 | 4 |
1.5%
|
|
| 7 | 2 |
0.8%
|
|
| 9 | 1 |
0.4%
|
|
| 10 | 9 |
3.5%
|
|
| 13 | 1 |
0.4%
|
|
| 17 | 1 |
0.4%
|
|
| 20 | 9 |
3.5%
|
|
| 22 | 1 |
0.4%
|
|
| 25 | 5 |
1.9%
|
|
| 28 | 1 |
0.4%
|
|
| 30 | 10 |
3.8%
|
|
| 31 | 1 |
0.4%
|
|
| 33 | 3 |
1.2%
|
|
| 35 | 2 |
0.8%
|
|
| 40 | 2 |
0.8%
|
|
| 45 | 3 |
1.2%
|
|
| 46 | 1 |
0.4%
|
|
| 48 | 2 |
0.8%
|
|
| 49 | 1 |
0.4%
|
|
| 50 | 5 |
1.9%
|
|
| 56 | 2 |
0.8%
|
|
| 60 | 5 |
1.9%
|
|
| 65 | 3 |
1.2%
|
|
| 67 | 2 |
0.8%
|
|
| 68 | 1 |
0.4%
|
|
| 70 | 1 |
0.4%
|
|
| 80 | 2 |
0.8%
|
|
| 90 | 1 |
0.4%
|
|
| 95 | 1 |
0.4%
|
|
| 100 | 172 |
66.2%
|
|
| Sysmiss | 768 |