| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.6%
|
| -7 | Does not apply (spontaneous) | 1 |
0.6%
|
| 1 | One day or less | 69 |
40.4%
|
| 2 | 28 |
16.4%
|
|
| 3 | 16 |
9.4%
|
|
| 4 | 5 |
2.9%
|
|
| 5 | 12 |
7%
|
|
| 6 | 1 |
0.6%
|
|
| 7 | 12 |
7%
|
|
| 10 | 7 |
4.1%
|
|
| 14 | 1 |
0.6%
|
|
| 15 | 4 |
2.3%
|
|
| 18 | 1 |
0.6%
|
|
| 20 | 5 |
2.9%
|
|
| 25 | 1 |
0.6%
|
|
| 30 | 6 |
3.5%
|
|
| 40 | 1 |
0.6%
|
|
| Sysmiss | 189 |