| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 45 |
17.2%
|
| 0 | Less than one day | 7 |
2.7%
|
| 1 | 5 |
1.9%
|
|
| 2 | 19 |
7.3%
|
|
| 3 | 20 |
7.7%
|
|
| 4 | 16 |
6.1%
|
|
| 5 | 17 |
6.5%
|
|
| 6 | 6 |
2.3%
|
|
| 7 | 23 |
8.8%
|
|
| 8 | 9 |
3.4%
|
|
| 9 | 2 |
0.8%
|
|
| 10 | 24 |
9.2%
|
|
| 11 | 2 |
0.8%
|
|
| 12 | 5 |
1.9%
|
|
| 13 | 2 |
0.8%
|
|
| 14 | 16 |
6.1%
|
|
| 15 | 7 |
2.7%
|
|
| 16 | 1 |
0.4%
|
|
| 17 | 1 |
0.4%
|
|
| 18 | 1 |
0.4%
|
|
| 20 | 4 |
1.5%
|
|
| 21 | 4 |
1.5%
|
|
| 22 | 1 |
0.4%
|
|
| 23 | 1 |
0.4%
|
|
| 24 | 2 |
0.8%
|
|
| 27 | 1 |
0.4%
|
|
| 28 | 1 |
0.4%
|
|
| 30 | 5 |
1.9%
|
|
| 31 | 1 |
0.4%
|
|
| 37 | 2 |
0.8%
|
|
| 40 | 2 |
0.8%
|
|
| 45 | 2 |
0.8%
|
|
| 48 | 1 |
0.4%
|
|
| 55 | 1 |
0.4%
|
|
| 60 | 4 |
1.5%
|
|
| 100 | 1 |
0.4%
|
|
| Sysmiss | 2436 |