| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 7 |
2.8%
|
| 0 | 122 |
48%
|
|
| 1 | 8 |
3.1%
|
|
| 2 | 9 |
3.5%
|
|
| 3 | 10 |
3.9%
|
|
| 4 | 7 |
2.8%
|
|
| 5 | 6 |
2.4%
|
|
| 6 | 9 |
3.5%
|
|
| 7 | 2 |
0.8%
|
|
| 8 | 3 |
1.2%
|
|
| 9 | 5 |
2%
|
|
| 10 | 6 |
2.4%
|
|
| 11 | 1 |
0.4%
|
|
| 12 | 5 |
2%
|
|
| 13 | 2 |
0.8%
|
|
| 14 | 2 |
0.8%
|
|
| 15 | 7 |
2.8%
|
|
| 16 | 2 |
0.8%
|
|
| 18 | 2 |
0.8%
|
|
| 19 | 1 |
0.4%
|
|
| 20 | 3 |
1.2%
|
|
| 22 | 1 |
0.4%
|
|
| 24 | 1 |
0.4%
|
|
| 25 | 3 |
1.2%
|
|
| 27 | 1 |
0.4%
|
|
| 30 | 4 |
1.6%
|
|
| 35 | 1 |
0.4%
|
|
| 37 | 1 |
0.4%
|
|
| 40 | 2 |
0.8%
|
|
| 47 | 1 |
0.4%
|
|
| 50 | 1 |
0.4%
|
|
| 55 | 1 |
0.4%
|
|
| 65 | 1 |
0.4%
|
|
| 90 | 1 |
0.4%
|
|
| 100 | 1 |
0.4%
|
|
| 138 | 1 |
0.4%
|
|
| 150 | 3 |
1.2%
|
|
| 250 | 1 |
0.4%
|
|
| 270 | 1 |
0.4%
|
|
| 280 | 1 |
0.4%
|
|
| 300 | 1 |
0.4%
|
|
| 450 | 1 |
0.4%
|
|
| 600 | 1 |
0.4%
|
|
| 700 | 1 |
0.4%
|
|
| 795 | 1 |
0.4%
|
|
| 1000 | 2 |
0.8%
|
|
| 1200 | 1 |
0.4%
|
|
| Sysmiss | 347 |