| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 169 |
21.2%
|
|
| 1 | 117 |
14.7%
|
|
| 2 | 166 |
20.9%
|
|
| 3 | 113 |
14.2%
|
|
| 4 | 59 |
7.4%
|
|
| 5 | 41 |
5.2%
|
|
| 6 | 33 |
4.1%
|
|
| 7 | 9 |
1.1%
|
|
| 8 | 18 |
2.3%
|
|
| 9 | 7 |
0.9%
|
|
| 10 | 15 |
1.9%
|
|
| 11 | 2 |
0.3%
|
|
| 12 | 3 |
0.4%
|
|
| 13 | 3 |
0.4%
|
|
| 14 | 1 |
0.1%
|
|
| 15 | 12 |
1.5%
|
|
| 16 | 2 |
0.3%
|
|
| 17 | 3 |
0.4%
|
|
| 20 | 7 |
0.9%
|
|
| 23 | 1 |
0.1%
|
|
| 25 | 1 |
0.1%
|
|
| 26 | 1 |
0.1%
|
|
| 28 | 3 |
0.4%
|
|
| 30 | 3 |
0.4%
|
|
| 40 | 3 |
0.4%
|
|
| 50 | 1 |
0.1%
|
|
| 56 | 1 |
0.1%
|
|
| 60 | 1 |
0.1%
|
|
| 80 | 1 |
0.1%
|
|
| Sysmiss | 229 |