| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 9 |
8%
|
|
| 1 | 8 |
7.1%
|
|
| 2 | 7 |
6.3%
|
|
| 3 | 5 |
4.5%
|
|
| 4 | 11 |
9.8%
|
|
| 5 | 6 |
5.4%
|
|
| 6 | 3 |
2.7%
|
|
| 7 | 2 |
1.8%
|
|
| 8 | 2 |
1.8%
|
|
| 9 | 4 |
3.6%
|
|
| 10 | 6 |
5.4%
|
|
| 12 | 1 |
0.9%
|
|
| 13 | 1 |
0.9%
|
|
| 14 | 2 |
1.8%
|
|
| 15 | 2 |
1.8%
|
|
| 18 | 1 |
0.9%
|
|
| 20 | 4 |
3.6%
|
|
| 22 | 1 |
0.9%
|
|
| 23 | 1 |
0.9%
|
|
| 25 | 1 |
0.9%
|
|
| 26 | 1 |
0.9%
|
|
| 30 | 4 |
3.6%
|
|
| 32 | 1 |
0.9%
|
|
| 35 | 4 |
3.6%
|
|
| 36 | 3 |
2.7%
|
|
| 40 | 5 |
4.5%
|
|
| 42 | 1 |
0.9%
|
|
| 44 | 1 |
0.9%
|
|
| 45 | 1 |
0.9%
|
|
| 49 | 1 |
0.9%
|
|
| 55 | 1 |
0.9%
|
|
| 60 | 1 |
0.9%
|
|
| 67 | 1 |
0.9%
|
|
| 77 | 1 |
0.9%
|
|
| 83 | 1 |
0.9%
|
|
| 86 | 1 |
0.9%
|
|
| 90 | 1 |
0.9%
|
|
| 93 | 1 |
0.9%
|
|
| 109 | 1 |
0.9%
|
|
| 130 | 1 |
0.9%
|
|
| 150 | 1 |
0.9%
|
|
| 184 | 1 |
0.9%
|
|
| 245 | 1 |
0.9%
|
|
| Sysmiss | 180 |