| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 9 |
2.7%
|
| 0 | 152 |
45.9%
|
|
| 1 | 44 |
13.3%
|
|
| 2 | 35 |
10.6%
|
|
| 3 | 21 |
6.3%
|
|
| 4 | 12 |
3.6%
|
|
| 5 | 12 |
3.6%
|
|
| 6 | 7 |
2.1%
|
|
| 7 | 3 |
0.9%
|
|
| 8 | 3 |
0.9%
|
|
| 9 | 1 |
0.3%
|
|
| 10 | 8 |
2.4%
|
|
| 12 | 1 |
0.3%
|
|
| 14 | 1 |
0.3%
|
|
| 15 | 2 |
0.6%
|
|
| 17 | 1 |
0.3%
|
|
| 18 | 3 |
0.9%
|
|
| 19 | 1 |
0.3%
|
|
| 20 | 4 |
1.2%
|
|
| 23 | 1 |
0.3%
|
|
| 27 | 1 |
0.3%
|
|
| 30 | 1 |
0.3%
|
|
| 35 | 1 |
0.3%
|
|
| 45 | 1 |
0.3%
|
|
| 90 | 2 |
0.6%
|
|
| 200 | 1 |
0.3%
|
|
| 220 | 1 |
0.3%
|
|
| 250 | 1 |
0.3%
|
|
| 500 | 1 |
0.3%
|
|
| Sysmiss | 270 |