| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 23 |
26.7%
|
| 0 | Less than one day | 2 |
2.3%
|
| 1 | 3 |
3.5%
|
|
| 2 | 2 |
2.3%
|
|
| 3 | 4 |
4.7%
|
|
| 4 | 2 |
2.3%
|
|
| 5 | 4 |
4.7%
|
|
| 6 | 3 |
3.5%
|
|
| 7 | 9 |
10.5%
|
|
| 8 | 2 |
2.3%
|
|
| 9 | 1 |
1.2%
|
|
| 10 | 3 |
3.5%
|
|
| 13 | 2 |
2.3%
|
|
| 14 | 4 |
4.7%
|
|
| 18 | 3 |
3.5%
|
|
| 19 | 1 |
1.2%
|
|
| 21 | 2 |
2.3%
|
|
| 24 | 1 |
1.2%
|
|
| 28 | 4 |
4.7%
|
|
| 30 | 2 |
2.3%
|
|
| 33 | 1 |
1.2%
|
|
| 40 | 1 |
1.2%
|
|
| 45 | 1 |
1.2%
|
|
| 48 | 1 |
1.2%
|
|
| 49 | 1 |
1.2%
|
|
| 76 | 1 |
1.2%
|
|
| 87 | 1 |
1.2%
|
|
| 90 | 1 |
1.2%
|
|
| 100 | 1 |
1.2%
|
|
| Sysmiss | 272 |