| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | Less than one day | 2 |
1.6%
|
| 1 | 1 |
0.8%
|
|
| 2 | 5 |
4%
|
|
| 3 | 5 |
4%
|
|
| 4 | 2 |
1.6%
|
|
| 5 | 8 |
6.5%
|
|
| 6 | 3 |
2.4%
|
|
| 7 | 11 |
8.9%
|
|
| 8 | 10 |
8.1%
|
|
| 10 | 8 |
6.5%
|
|
| 12 | 2 |
1.6%
|
|
| 13 | 1 |
0.8%
|
|
| 15 | 16 |
12.9%
|
|
| 19 | 1 |
0.8%
|
|
| 20 | 3 |
2.4%
|
|
| 21 | 4 |
3.2%
|
|
| 22 | 2 |
1.6%
|
|
| 23 | 1 |
0.8%
|
|
| 25 | 2 |
1.6%
|
|
| 30 | 10 |
8.1%
|
|
| 35 | 3 |
2.4%
|
|
| 40 | 1 |
0.8%
|
|
| 45 | 7 |
5.6%
|
|
| 52 | 1 |
0.8%
|
|
| 55 | 1 |
0.8%
|
|
| 60 | 1 |
0.8%
|
|
| 70 | 1 |
0.8%
|
|
| 72 | 1 |
0.8%
|
|
| 75 | 1 |
0.8%
|
|
| 90 | 5 |
4%
|
|
| 98 | 1 |
0.8%
|
|
| 100 | 1 |
0.8%
|
|
| 105 | 1 |
0.8%
|
|
| 120 | 2 |
1.6%
|
|
| Sysmiss | 221 |