| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
0.7%
|
| -7 | Does not apply (spontaneous) | 1 |
0.4%
|
| 1 | One day or less | 112 |
40.3%
|
| 2 | 53 |
19.1%
|
|
| 3 | 28 |
10.1%
|
|
| 4 | 8 |
2.9%
|
|
| 5 | 14 |
5%
|
|
| 6 | 2 |
0.7%
|
|
| 7 | 17 |
6.1%
|
|
| 9 | 1 |
0.4%
|
|
| 10 | 13 |
4.7%
|
|
| 14 | 1 |
0.4%
|
|
| 15 | 7 |
2.5%
|
|
| 18 | 1 |
0.4%
|
|
| 20 | 5 |
1.8%
|
|
| 24 | 1 |
0.4%
|
|
| 25 | 1 |
0.4%
|
|
| 30 | 9 |
3.2%
|
|
| 40 | 1 |
0.4%
|
|
| 300 | 1 |
0.4%
|
|
| Sysmiss | 808 |