| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 53 |
23.9%
|
|
| 1 | 42 |
18.9%
|
|
| 2 | 30 |
13.5%
|
|
| 3 | 20 |
9%
|
|
| 4 | 16 |
7.2%
|
|
| 5 | 17 |
7.7%
|
|
| 6 | 7 |
3.2%
|
|
| 7 | 4 |
1.8%
|
|
| 8 | 2 |
0.9%
|
|
| 9 | 2 |
0.9%
|
|
| 10 | 6 |
2.7%
|
|
| 15 | 2 |
0.9%
|
|
| 20 | 3 |
1.4%
|
|
| 22 | 1 |
0.5%
|
|
| 24 | 2 |
0.9%
|
|
| 29 | 1 |
0.5%
|
|
| 30 | 3 |
1.4%
|
|
| 40 | 2 |
0.9%
|
|
| 50 | 2 |
0.9%
|
|
| 60 | 1 |
0.5%
|
|
| 65 | 1 |
0.5%
|
|
| 100 | 1 |
0.5%
|
|
| 120 | 1 |
0.5%
|
|
| 201 | 1 |
0.5%
|
|
| 300 | 1 |
0.5%
|
|
| 380 | 1 |
0.5%
|
|
| Sysmiss | 370 |