| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 4 |
3.3%
|
|
| 1 | 14 |
11.7%
|
|
| 2 | 16 |
13.3%
|
|
| 3 | 11 |
9.2%
|
|
| 4 | 4 |
3.3%
|
|
| 5 | 9 |
7.5%
|
|
| 6 | 5 |
4.2%
|
|
| 7 | 4 |
3.3%
|
|
| 8 | 1 |
0.8%
|
|
| 9 | 4 |
3.3%
|
|
| 10 | 6 |
5%
|
|
| 11 | 2 |
1.7%
|
|
| 12 | 4 |
3.3%
|
|
| 14 | 3 |
2.5%
|
|
| 15 | 1 |
0.8%
|
|
| 16 | 2 |
1.7%
|
|
| 17 | 2 |
1.7%
|
|
| 20 | 4 |
3.3%
|
|
| 21 | 2 |
1.7%
|
|
| 25 | 1 |
0.8%
|
|
| 26 | 1 |
0.8%
|
|
| 28 | 2 |
1.7%
|
|
| 29 | 1 |
0.8%
|
|
| 30 | 1 |
0.8%
|
|
| 35 | 1 |
0.8%
|
|
| 40 | 1 |
0.8%
|
|
| 43 | 1 |
0.8%
|
|
| 47 | 1 |
0.8%
|
|
| 50 | 2 |
1.7%
|
|
| 58 | 1 |
0.8%
|
|
| 60 | 1 |
0.8%
|
|
| 66 | 1 |
0.8%
|
|
| 72 | 1 |
0.8%
|
|
| 96 | 1 |
0.8%
|
|
| 98 | 1 |
0.8%
|
|
| 120 | 1 |
0.8%
|
|
| 155 | 1 |
0.8%
|
|
| 180 | 1 |
0.8%
|
|
| 250 | 1 |
0.8%
|
|
| Sysmiss | 240 |