| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 11 |
10.9%
|
| 1 | Less than one day | 0 |
0%
|
| 2 | 1 |
1%
|
|
| 4 | 1 |
1%
|
|
| 6 | 1 |
1%
|
|
| 7 | 1 |
1%
|
|
| 10 | 2 |
2%
|
|
| 12 | 2 |
2%
|
|
| 14 | 2 |
2%
|
|
| 15 | 1 |
1%
|
|
| 20 | 3 |
3%
|
|
| 21 | 4 |
4%
|
|
| 28 | 2 |
2%
|
|
| 30 | 12 |
11.9%
|
|
| 37 | 1 |
1%
|
|
| 40 | 1 |
1%
|
|
| 45 | 1 |
1%
|
|
| 50 | 1 |
1%
|
|
| 60 | 7 |
6.9%
|
|
| 64 | 1 |
1%
|
|
| 80 | 1 |
1%
|
|
| 90 | 17 |
16.8%
|
|
| 100 | 1 |
1%
|
|
| 120 | 2 |
2%
|
|
| 170 | 1 |
1%
|
|
| 180 | 5 |
5%
|
|
| 183 | 1 |
1%
|
|
| 190 | 1 |
1%
|
|
| 250 | 1 |
1%
|
|
| 356 | 1 |
1%
|
|
| 360 | 4 |
4%
|
|
| 365 | 11 |
10.9%
|
|
| Sysmiss | 612 |