| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
0.5%
|
| -4 | Too many to count | 276 |
72.4%
|
| 0 | 10 |
2.6%
|
|
| 1 | 3 |
0.8%
|
|
| 2 | 17 |
4.5%
|
|
| 3 | 18 |
4.7%
|
|
| 4 | 7 |
1.8%
|
|
| 5 | 11 |
2.9%
|
|
| 6 | 5 |
1.3%
|
|
| 7 | 2 |
0.5%
|
|
| 8 | 3 |
0.8%
|
|
| 9 | 1 |
0.3%
|
|
| 10 | 9 |
2.4%
|
|
| 12 | 2 |
0.5%
|
|
| 14 | 2 |
0.5%
|
|
| 15 | 1 |
0.3%
|
|
| 20 | 6 |
1.6%
|
|
| 40 | 1 |
0.3%
|
|
| 45 | 1 |
0.3%
|
|
| 65 | 1 |
0.3%
|
|
| 100 | 1 |
0.3%
|
|
| 250 | 1 |
0.3%
|
|
| 300 | 1 |
0.3%
|
|
| Sysmiss | 11 |