| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 32 |
17.9%
|
| -6 | Still in process | 10 |
5.6%
|
| 1 | One day or less | 85 |
47.5%
|
| 2 | 4 |
2.2%
|
|
| 3 | 4 |
2.2%
|
|
| 4 | 1 |
0.6%
|
|
| 5 | 1 |
0.6%
|
|
| 6 | 1 |
0.6%
|
|
| 7 | 9 |
5%
|
|
| 10 | 4 |
2.2%
|
|
| 15 | 1 |
0.6%
|
|
| 20 | 2 |
1.1%
|
|
| 21 | 2 |
1.1%
|
|
| 30 | 14 |
7.8%
|
|
| 45 | 2 |
1.1%
|
|
| 60 | 7 |
3.9%
|
|
| Sysmiss | 422 |