| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 44 |
36.7%
|
|
| 1 | 9 |
7.5%
|
|
| 2 | 12 |
10%
|
|
| 3 | 7 |
5.8%
|
|
| 4 | 5 |
4.2%
|
|
| 5 | 8 |
6.7%
|
|
| 7 | 3 |
2.5%
|
|
| 8 | 4 |
3.3%
|
|
| 10 | 3 |
2.5%
|
|
| 11 | 1 |
0.8%
|
|
| 12 | 2 |
1.7%
|
|
| 13 | 1 |
0.8%
|
|
| 15 | 2 |
1.7%
|
|
| 18 | 1 |
0.8%
|
|
| 20 | 1 |
0.8%
|
|
| 21 | 2 |
1.7%
|
|
| 23 | 1 |
0.8%
|
|
| 34 | 1 |
0.8%
|
|
| 45 | 1 |
0.8%
|
|
| 46 | 1 |
0.8%
|
|
| 50 | 1 |
0.8%
|
|
| 60 | 1 |
0.8%
|
|
| 67 | 1 |
0.8%
|
|
| 78 | 1 |
0.8%
|
|
| 100 | 3 |
2.5%
|
|
| 140 | 1 |
0.8%
|
|
| 162 | 1 |
0.8%
|
|
| 210 | 1 |
0.8%
|
|
| 321 | 1 |
0.8%
|
|
| Sysmiss | 240 |