| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 10 |
4.9%
|
| 0 | Less than one day | 9 |
4.4%
|
| 1 | 34 |
16.7%
|
|
| 2 | 20 |
9.9%
|
|
| 3 | 19 |
9.4%
|
|
| 4 | 10 |
4.9%
|
|
| 5 | 10 |
4.9%
|
|
| 6 | 5 |
2.5%
|
|
| 7 | 15 |
7.4%
|
|
| 9 | 1 |
0.5%
|
|
| 10 | 9 |
4.4%
|
|
| 12 | 1 |
0.5%
|
|
| 14 | 6 |
3%
|
|
| 15 | 5 |
2.5%
|
|
| 16 | 2 |
1%
|
|
| 17 | 1 |
0.5%
|
|
| 18 | 1 |
0.5%
|
|
| 20 | 10 |
4.9%
|
|
| 21 | 4 |
2%
|
|
| 23 | 2 |
1%
|
|
| 25 | 5 |
2.5%
|
|
| 30 | 4 |
2%
|
|
| 35 | 2 |
1%
|
|
| 45 | 4 |
2%
|
|
| 46 | 1 |
0.5%
|
|
| 48 | 1 |
0.5%
|
|
| 50 | 3 |
1.5%
|
|
| 55 | 1 |
0.5%
|
|
| 65 | 1 |
0.5%
|
|
| 67 | 1 |
0.5%
|
|
| 70 | 2 |
1%
|
|
| 90 | 2 |
1%
|
|
| 95 | 1 |
0.5%
|
|
| 100 | 1 |
0.5%
|
|
| Sysmiss | 389 |