| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 9 |
8.4%
|
| 1 | Less than one day | 1 |
0.9%
|
| 15 | 13 |
12.1%
|
|
| 20 | 20 |
18.7%
|
|
| 22 | 2 |
1.9%
|
|
| 25 | 24 |
22.4%
|
|
| 30 | 5 |
4.7%
|
|
| 40 | 3 |
2.8%
|
|
| 45 | 5 |
4.7%
|
|
| 50 | 2 |
1.9%
|
|
| 60 | 14 |
13.1%
|
|
| 70 | 2 |
1.9%
|
|
| 75 | 1 |
0.9%
|
|
| 80 | 1 |
0.9%
|
|
| 90 | 1 |
0.9%
|
|
| 200 | 1 |
0.9%
|
|
| 210 | 1 |
0.9%
|
|
| 730 | 1 |
0.9%
|
|
| 1095 | 1 |
0.9%
|
|
| Sysmiss | 1193 |