| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 63 |
6.2%
|
| -4 | Too many to count | 476 |
46.5%
|
| 0 | 33 |
3.2%
|
|
| 1 | 14 |
1.4%
|
|
| 2 | 54 |
5.3%
|
|
| 3 | 74 |
7.2%
|
|
| 4 | 55 |
5.4%
|
|
| 5 | 72 |
7%
|
|
| 6 | 18 |
1.8%
|
|
| 7 | 7 |
0.7%
|
|
| 8 | 13 |
1.3%
|
|
| 9 | 4 |
0.4%
|
|
| 10 | 87 |
8.5%
|
|
| 11 | 1 |
0.1%
|
|
| 12 | 3 |
0.3%
|
|
| 15 | 17 |
1.7%
|
|
| 18 | 1 |
0.1%
|
|
| 20 | 17 |
1.7%
|
|
| 22 | 1 |
0.1%
|
|
| 30 | 4 |
0.4%
|
|
| 50 | 7 |
0.7%
|
|
| 100 | 3 |
0.3%
|
|
| Sysmiss | 192 |