| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.8%
|
| 0 | Less than one day | 3 |
2.4%
|
| 1 | 4 |
3.2%
|
|
| 2 | 3 |
2.4%
|
|
| 3 | 6 |
4.8%
|
|
| 4 | 4 |
3.2%
|
|
| 5 | 8 |
6.4%
|
|
| 7 | 11 |
8.8%
|
|
| 8 | 6 |
4.8%
|
|
| 10 | 8 |
6.4%
|
|
| 14 | 3 |
2.4%
|
|
| 15 | 15 |
12%
|
|
| 16 | 2 |
1.6%
|
|
| 19 | 1 |
0.8%
|
|
| 20 | 3 |
2.4%
|
|
| 21 | 4 |
3.2%
|
|
| 23 | 2 |
1.6%
|
|
| 24 | 1 |
0.8%
|
|
| 25 | 5 |
4%
|
|
| 27 | 1 |
0.8%
|
|
| 28 | 1 |
0.8%
|
|
| 30 | 12 |
9.6%
|
|
| 34 | 1 |
0.8%
|
|
| 35 | 5 |
4%
|
|
| 40 | 3 |
2.4%
|
|
| 45 | 3 |
2.4%
|
|
| 48 | 1 |
0.8%
|
|
| 50 | 1 |
0.8%
|
|
| 60 | 1 |
0.8%
|
|
| 65 | 1 |
0.8%
|
|
| 75 | 1 |
0.8%
|
|
| 90 | 3 |
2.4%
|
|
| 100 | 1 |
0.8%
|
|
| Sysmiss | 235 |