| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
3.1%
|
| 0 | Less than one day | 1 |
1%
|
| 1 | 1 |
1%
|
|
| 2 | 1 |
1%
|
|
| 3 | 5 |
5.2%
|
|
| 4 | 3 |
3.1%
|
|
| 5 | 6 |
6.2%
|
|
| 6 | 1 |
1%
|
|
| 7 | 7 |
7.2%
|
|
| 8 | 3 |
3.1%
|
|
| 9 | 3 |
3.1%
|
|
| 10 | 7 |
7.2%
|
|
| 14 | 4 |
4.1%
|
|
| 15 | 6 |
6.2%
|
|
| 20 | 1 |
1%
|
|
| 22 | 6 |
6.2%
|
|
| 25 | 1 |
1%
|
|
| 29 | 1 |
1%
|
|
| 30 | 9 |
9.3%
|
|
| 34 | 1 |
1%
|
|
| 44 | 1 |
1%
|
|
| 45 | 4 |
4.1%
|
|
| 60 | 7 |
7.2%
|
|
| 65 | 1 |
1%
|
|
| 72 | 1 |
1%
|
|
| 75 | 1 |
1%
|
|
| 90 | 9 |
9.3%
|
|
| 120 | 2 |
2.1%
|
|
| 240 | 1 |
1%
|
|
| Sysmiss | 260 |