| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
0.5%
|
| 0 | 62 |
16.7%
|
|
| 1 | 59 |
15.9%
|
|
| 2 | 89 |
24%
|
|
| 3 | 28 |
7.5%
|
|
| 4 | 26 |
7%
|
|
| 5 | 29 |
7.8%
|
|
| 6 | 15 |
4%
|
|
| 7 | 6 |
1.6%
|
|
| 8 | 6 |
1.6%
|
|
| 10 | 20 |
5.4%
|
|
| 11 | 1 |
0.3%
|
|
| 12 | 2 |
0.5%
|
|
| 13 | 1 |
0.3%
|
|
| 15 | 7 |
1.9%
|
|
| 17 | 1 |
0.3%
|
|
| 18 | 1 |
0.3%
|
|
| 20 | 3 |
0.8%
|
|
| 21 | 2 |
0.5%
|
|
| 22 | 1 |
0.3%
|
|
| 24 | 1 |
0.3%
|
|
| 25 | 2 |
0.5%
|
|
| 39 | 1 |
0.3%
|
|
| 45 | 1 |
0.3%
|
|
| 55 | 1 |
0.3%
|
|
| 130 | 1 |
0.3%
|
|
| 200 | 1 |
0.3%
|
|
| 350 | 1 |
0.3%
|
|
| 800 | 1 |
0.3%
|
|
| Sysmiss | 648 |