| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
0.7%
|
| 0 | 50 |
18.1%
|
|
| 1 | 32 |
11.6%
|
|
| 2 | 41 |
14.9%
|
|
| 3 | 21 |
7.6%
|
|
| 4 | 13 |
4.7%
|
|
| 5 | 18 |
6.5%
|
|
| 6 | 9 |
3.3%
|
|
| 7 | 7 |
2.5%
|
|
| 8 | 4 |
1.4%
|
|
| 9 | 3 |
1.1%
|
|
| 10 | 15 |
5.4%
|
|
| 11 | 1 |
0.4%
|
|
| 12 | 4 |
1.4%
|
|
| 14 | 1 |
0.4%
|
|
| 15 | 7 |
2.5%
|
|
| 16 | 1 |
0.4%
|
|
| 17 | 3 |
1.1%
|
|
| 20 | 5 |
1.8%
|
|
| 23 | 1 |
0.4%
|
|
| 24 | 1 |
0.4%
|
|
| 27 | 2 |
0.7%
|
|
| 30 | 3 |
1.1%
|
|
| 36 | 1 |
0.4%
|
|
| 40 | 4 |
1.4%
|
|
| 42 | 2 |
0.7%
|
|
| 43 | 1 |
0.4%
|
|
| 45 | 2 |
0.7%
|
|
| 48 | 1 |
0.4%
|
|
| 50 | 1 |
0.4%
|
|
| 52 | 1 |
0.4%
|
|
| 55 | 2 |
0.7%
|
|
| 59 | 1 |
0.4%
|
|
| 60 | 1 |
0.4%
|
|
| 61 | 1 |
0.4%
|
|
| 76 | 1 |
0.4%
|
|
| 83 | 1 |
0.4%
|
|
| 85 | 1 |
0.4%
|
|
| 96 | 1 |
0.4%
|
|
| 102 | 1 |
0.4%
|
|
| 107 | 1 |
0.4%
|
|
| 115 | 1 |
0.4%
|
|
| 130 | 2 |
0.7%
|
|
| 200 | 1 |
0.4%
|
|
| 360 | 1 |
0.4%
|
|
| 853 | 1 |
0.4%
|
|
| 2370 | 1 |
0.4%
|
|
| 3700 | 1 |
0.4%
|
|
| Sysmiss | 752 |