| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.1%
|
| 2 | 648 |
38.3%
|
|
| 3 | 348 |
20.6%
|
|
| 4 | 153 |
9.1%
|
|
| 5 | 148 |
8.8%
|
|
| 6 | 55 |
3.3%
|
|
| 7 | 22 |
1.3%
|
|
| 8 | 37 |
2.2%
|
|
| 9 | 12 |
0.7%
|
|
| 10 | 47 |
2.8%
|
|
| 11 | 5 |
0.3%
|
|
| 12 | 14 |
0.8%
|
|
| 13 | 7 |
0.4%
|
|
| 14 | 2 |
0.1%
|
|
| 15 | 23 |
1.4%
|
|
| 16 | 2 |
0.1%
|
|
| 18 | 7 |
0.4%
|
|
| 19 | 4 |
0.2%
|
|
| 20 | 27 |
1.6%
|
|
| 21 | 1 |
0.1%
|
|
| 22 | 7 |
0.4%
|
|
| 23 | 2 |
0.1%
|
|
| 24 | 2 |
0.1%
|
|
| 25 | 14 |
0.8%
|
|
| 27 | 2 |
0.1%
|
|
| 29 | 1 |
0.1%
|
|
| 30 | 25 |
1.5%
|
|
| 31 | 1 |
0.1%
|
|
| 32 | 1 |
0.1%
|
|
| 33 | 1 |
0.1%
|
|
| 35 | 9 |
0.5%
|
|
| 38 | 1 |
0.1%
|
|
| 40 | 3 |
0.2%
|
|
| 42 | 2 |
0.1%
|
|
| 44 | 1 |
0.1%
|
|
| 45 | 4 |
0.2%
|
|
| 50 | 14 |
0.8%
|
|
| 51 | 3 |
0.2%
|
|
| 52 | 1 |
0.1%
|
|
| 53 | 1 |
0.1%
|
|
| 55 | 5 |
0.3%
|
|
| 57 | 1 |
0.1%
|
|
| 60 | 6 |
0.4%
|
|
| 69 | 1 |
0.1%
|
|
| 70 | 8 |
0.5%
|
|
| 75 | 5 |
0.3%
|
|
| 80 | 3 |
0.2%
|
|
| 90 | 3 |
0.2%
|
|
| Sysmiss | 7686 |