| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 171 |
17.5%
|
| 0 | 461 |
47.3%
|
|
| 1 | 28 |
2.9%
|
|
| 2 | 29 |
3%
|
|
| 3 | 10 |
1%
|
|
| 4 | 4 |
0.4%
|
|
| 5 | 45 |
4.6%
|
|
| 6 | 9 |
0.9%
|
|
| 7 | 3 |
0.3%
|
|
| 8 | 1 |
0.1%
|
|
| 10 | 78 |
8%
|
|
| 11 | 2 |
0.2%
|
|
| 12 | 1 |
0.1%
|
|
| 15 | 20 |
2.1%
|
|
| 18 | 1 |
0.1%
|
|
| 20 | 46 |
4.7%
|
|
| 25 | 7 |
0.7%
|
|
| 30 | 24 |
2.5%
|
|
| 40 | 13 |
1.3%
|
|
| 42 | 1 |
0.1%
|
|
| 45 | 1 |
0.1%
|
|
| 50 | 9 |
0.9%
|
|
| 60 | 4 |
0.4%
|
|
| 70 | 2 |
0.2%
|
|
| 80 | 1 |
0.1%
|
|
| 90 | 1 |
0.1%
|
|
| 100 | 3 |
0.3%
|
|
| Sysmiss | 394 |