| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 19 |
7.9%
|
| 0 | Less than one day | 3 |
1.3%
|
| 1 | 4 |
1.7%
|
|
| 2 | 8 |
3.3%
|
|
| 3 | 12 |
5%
|
|
| 4 | 14 |
5.9%
|
|
| 5 | 10 |
4.2%
|
|
| 6 | 4 |
1.7%
|
|
| 7 | 34 |
14.2%
|
|
| 8 | 7 |
2.9%
|
|
| 9 | 1 |
0.4%
|
|
| 10 | 21 |
8.8%
|
|
| 12 | 4 |
1.7%
|
|
| 14 | 5 |
2.1%
|
|
| 15 | 12 |
5%
|
|
| 20 | 4 |
1.7%
|
|
| 21 | 2 |
0.8%
|
|
| 25 | 3 |
1.3%
|
|
| 28 | 1 |
0.4%
|
|
| 30 | 24 |
10%
|
|
| 35 | 2 |
0.8%
|
|
| 37 | 1 |
0.4%
|
|
| 40 | 2 |
0.8%
|
|
| 45 | 14 |
5.9%
|
|
| 50 | 3 |
1.3%
|
|
| 60 | 11 |
4.6%
|
|
| 70 | 1 |
0.4%
|
|
| 75 | 1 |
0.4%
|
|
| 90 | 7 |
2.9%
|
|
| 98 | 1 |
0.4%
|
|
| 105 | 1 |
0.4%
|
|
| 120 | 1 |
0.4%
|
|
| 140 | 1 |
0.4%
|
|
| 180 | 1 |
0.4%
|
|
| Sysmiss | 748 |