| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 29 |
20%
|
| 1 | Less than one day | 3 |
2.1%
|
| 2 | 2 |
1.4%
|
|
| 3 | 5 |
3.4%
|
|
| 4 | 1 |
0.7%
|
|
| 5 | 6 |
4.1%
|
|
| 6 | 4 |
2.8%
|
|
| 7 | 9 |
6.2%
|
|
| 8 | 2 |
1.4%
|
|
| 10 | 4 |
2.8%
|
|
| 14 | 3 |
2.1%
|
|
| 15 | 15 |
10.3%
|
|
| 20 | 2 |
1.4%
|
|
| 21 | 2 |
1.4%
|
|
| 23 | 1 |
0.7%
|
|
| 25 | 1 |
0.7%
|
|
| 28 | 3 |
2.1%
|
|
| 30 | 26 |
17.9%
|
|
| 35 | 1 |
0.7%
|
|
| 45 | 8 |
5.5%
|
|
| 60 | 8 |
5.5%
|
|
| 80 | 2 |
1.4%
|
|
| 90 | 4 |
2.8%
|
|
| 100 | 1 |
0.7%
|
|
| 180 | 1 |
0.7%
|
|
| 360 | 1 |
0.7%
|
|
| 365 | 1 |
0.7%
|
|
| Sysmiss | 883 |