| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 |
2.1%
|
| 1 | Less than one day | 2 |
1.1%
|
| 2 | 1 |
0.5%
|
|
| 3 | 2 |
1.1%
|
|
| 14 | 1 |
0.5%
|
|
| 15 | 3 |
1.6%
|
|
| 20 | 1 |
0.5%
|
|
| 24 | 1 |
0.5%
|
|
| 30 | 53 |
27.9%
|
|
| 35 | 1 |
0.5%
|
|
| 40 | 14 |
7.4%
|
|
| 45 | 10 |
5.3%
|
|
| 50 | 1 |
0.5%
|
|
| 54 | 1 |
0.5%
|
|
| 60 | 59 |
31.1%
|
|
| 70 | 3 |
1.6%
|
|
| 75 | 2 |
1.1%
|
|
| 80 | 1 |
0.5%
|
|
| 90 | 14 |
7.4%
|
|
| 100 | 1 |
0.5%
|
|
| 120 | 9 |
4.7%
|
|
| 180 | 1 |
0.5%
|
|
| 210 | 1 |
0.5%
|
|
| 360 | 1 |
0.5%
|
|
| 365 | 3 |
1.6%
|
|
| Sysmiss | 776 |