| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
1%
|
| 0 | 56 |
28.6%
|
|
| 1 | 18 |
9.2%
|
|
| 2 | 24 |
12.2%
|
|
| 3 | 9 |
4.6%
|
|
| 4 | 8 |
4.1%
|
|
| 5 | 16 |
8.2%
|
|
| 6 | 8 |
4.1%
|
|
| 7 | 3 |
1.5%
|
|
| 8 | 4 |
2%
|
|
| 9 | 2 |
1%
|
|
| 10 | 5 |
2.6%
|
|
| 11 | 1 |
0.5%
|
|
| 12 | 1 |
0.5%
|
|
| 15 | 2 |
1%
|
|
| 16 | 1 |
0.5%
|
|
| 17 | 1 |
0.5%
|
|
| 18 | 1 |
0.5%
|
|
| 20 | 4 |
2%
|
|
| 30 | 5 |
2.6%
|
|
| 35 | 1 |
0.5%
|
|
| 40 | 4 |
2%
|
|
| 43 | 1 |
0.5%
|
|
| 50 | 3 |
1.5%
|
|
| 60 | 2 |
1%
|
|
| 70 | 1 |
0.5%
|
|
| 75 | 1 |
0.5%
|
|
| 76 | 1 |
0.5%
|
|
| 80 | 1 |
0.5%
|
|
| 100 | 1 |
0.5%
|
|
| 105 | 1 |
0.5%
|
|
| 120 | 1 |
0.5%
|
|
| 130 | 1 |
0.5%
|
|
| 140 | 1 |
0.5%
|
|
| 250 | 1 |
0.5%
|
|
| 450 | 1 |
0.5%
|
|
| 712 | 1 |
0.5%
|
|
| 1300 | 1 |
0.5%
|
|
| 2000 | 1 |
0.5%
|
|
| Sysmiss | 404 |