| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 8 |
6.8%
|
| 0 | 23 |
19.5%
|
|
| 1 | 18 |
15.3%
|
|
| 2 | 12 |
10.2%
|
|
| 3 | 13 |
11%
|
|
| 4 | 11 |
9.3%
|
|
| 5 | 3 |
2.5%
|
|
| 6 | 4 |
3.4%
|
|
| 7 | 1 |
0.8%
|
|
| 8 | 2 |
1.7%
|
|
| 9 | 1 |
0.8%
|
|
| 10 | 4 |
3.4%
|
|
| 12 | 1 |
0.8%
|
|
| 13 | 1 |
0.8%
|
|
| 15 | 1 |
0.8%
|
|
| 20 | 1 |
0.8%
|
|
| 21 | 1 |
0.8%
|
|
| 22 | 2 |
1.7%
|
|
| 24 | 1 |
0.8%
|
|
| 28 | 1 |
0.8%
|
|
| 30 | 1 |
0.8%
|
|
| 32 | 1 |
0.8%
|
|
| 35 | 2 |
1.7%
|
|
| 38 | 1 |
0.8%
|
|
| 47 | 1 |
0.8%
|
|
| 90 | 1 |
0.8%
|
|
| 117 | 1 |
0.8%
|
|
| 170 | 1 |
0.8%
|
|
| Sysmiss | 235 |