| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 |
2.5%
|
| 0 | Less than one day | 4 |
2.5%
|
| 1 | 5 |
3.1%
|
|
| 2 | 19 |
11.9%
|
|
| 3 | 14 |
8.8%
|
|
| 4 | 7 |
4.4%
|
|
| 5 | 8 |
5%
|
|
| 6 | 4 |
2.5%
|
|
| 7 | 14 |
8.8%
|
|
| 10 | 15 |
9.4%
|
|
| 11 | 2 |
1.3%
|
|
| 12 | 5 |
3.1%
|
|
| 14 | 10 |
6.3%
|
|
| 15 | 3 |
1.9%
|
|
| 16 | 1 |
0.6%
|
|
| 17 | 3 |
1.9%
|
|
| 19 | 1 |
0.6%
|
|
| 21 | 13 |
8.1%
|
|
| 24 | 1 |
0.6%
|
|
| 28 | 5 |
3.1%
|
|
| 30 | 4 |
2.5%
|
|
| 35 | 1 |
0.6%
|
|
| 40 | 2 |
1.3%
|
|
| 42 | 2 |
1.3%
|
|
| 45 | 3 |
1.9%
|
|
| 49 | 1 |
0.6%
|
|
| 50 | 1 |
0.6%
|
|
| 54 | 1 |
0.6%
|
|
| 60 | 2 |
1.3%
|
|
| 70 | 1 |
0.6%
|
|
| 75 | 1 |
0.6%
|
|
| 90 | 2 |
1.3%
|
|
| 120 | 1 |
0.6%
|
|
| Sysmiss | 201 |