| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 132 |
64.4%
|
|
| 1 | 6 |
2.9%
|
|
| 2 | 12 |
5.9%
|
|
| 3 | 10 |
4.9%
|
|
| 4 | 2 |
1%
|
|
| 5 | 8 |
3.9%
|
|
| 6 | 2 |
1%
|
|
| 7 | 1 |
0.5%
|
|
| 8 | 1 |
0.5%
|
|
| 10 | 5 |
2.4%
|
|
| 12 | 1 |
0.5%
|
|
| 13 | 1 |
0.5%
|
|
| 14 | 1 |
0.5%
|
|
| 15 | 4 |
2%
|
|
| 16 | 1 |
0.5%
|
|
| 19 | 1 |
0.5%
|
|
| 20 | 1 |
0.5%
|
|
| 21 | 1 |
0.5%
|
|
| 35 | 1 |
0.5%
|
|
| 36 | 1 |
0.5%
|
|
| 38 | 2 |
1%
|
|
| 48 | 1 |
0.5%
|
|
| 49 | 1 |
0.5%
|
|
| 67 | 1 |
0.5%
|
|
| 76 | 1 |
0.5%
|
|
| 90 | 1 |
0.5%
|
|
| 200 | 3 |
1.5%
|
|
| 300 | 1 |
0.5%
|
|
| 800 | 1 |
0.5%
|
|
| 2500 | 1 |
0.5%
|
|
| Sysmiss | 398 |