| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 7 |
2.1%
|
| -4 | Too many to count | 123 |
36.8%
|
| 0 | 39 |
11.7%
|
|
| 1 | 7 |
2.1%
|
|
| 2 | 12 |
3.6%
|
|
| 3 | 25 |
7.5%
|
|
| 4 | 21 |
6.3%
|
|
| 5 | 26 |
7.8%
|
|
| 6 | 11 |
3.3%
|
|
| 7 | 7 |
2.1%
|
|
| 8 | 6 |
1.8%
|
|
| 9 | 1 |
0.3%
|
|
| 10 | 15 |
4.5%
|
|
| 11 | 1 |
0.3%
|
|
| 12 | 1 |
0.3%
|
|
| 15 | 2 |
0.6%
|
|
| 18 | 1 |
0.3%
|
|
| 20 | 5 |
1.5%
|
|
| 23 | 1 |
0.3%
|
|
| 28 | 2 |
0.6%
|
|
| 30 | 5 |
1.5%
|
|
| 32 | 1 |
0.3%
|
|
| 33 | 1 |
0.3%
|
|
| 35 | 2 |
0.6%
|
|
| 40 | 3 |
0.9%
|
|
| 50 | 2 |
0.6%
|
|
| 60 | 1 |
0.3%
|
|
| 63 | 1 |
0.3%
|
|
| 64 | 1 |
0.3%
|
|
| 70 | 1 |
0.3%
|
|
| 100 | 2 |
0.6%
|
|
| 273 | 1 |
0.3%
|
|
| Sysmiss | 29 |