| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 12 |
9%
|
| 0 | 9 |
6.8%
|
|
| 1 | 10 |
7.5%
|
|
| 2 | 14 |
10.5%
|
|
| 3 | 12 |
9%
|
|
| 4 | 13 |
9.8%
|
|
| 5 | 7 |
5.3%
|
|
| 6 | 3 |
2.3%
|
|
| 7 | 2 |
1.5%
|
|
| 9 | 4 |
3%
|
|
| 10 | 8 |
6%
|
|
| 11 | 1 |
0.8%
|
|
| 12 | 1 |
0.8%
|
|
| 14 | 1 |
0.8%
|
|
| 15 | 2 |
1.5%
|
|
| 16 | 1 |
0.8%
|
|
| 17 | 3 |
2.3%
|
|
| 18 | 2 |
1.5%
|
|
| 20 | 2 |
1.5%
|
|
| 22 | 2 |
1.5%
|
|
| 23 | 1 |
0.8%
|
|
| 24 | 1 |
0.8%
|
|
| 25 | 2 |
1.5%
|
|
| 30 | 3 |
2.3%
|
|
| 45 | 1 |
0.8%
|
|
| 47 | 1 |
0.8%
|
|
| 50 | 1 |
0.8%
|
|
| 57 | 2 |
1.5%
|
|
| 65 | 1 |
0.8%
|
|
| 70 | 1 |
0.8%
|
|
| 76 | 1 |
0.8%
|
|
| 77 | 1 |
0.8%
|
|
| 79 | 1 |
0.8%
|
|
| 99 | 1 |
0.8%
|
|
| 100 | 2 |
1.5%
|
|
| 150 | 1 |
0.8%
|
|
| 156 | 1 |
0.8%
|
|
| 237 | 1 |
0.8%
|
|
| 539 | 1 |
0.8%
|
|
| Sysmiss | 227 |