| Value | Category | Cases | |
|---|---|---|---|
| 1 | One week at most | 117 |
23.5%
|
| 2 | One to two weeks | 214 |
43.1%
|
| 3 | Three to four weeks | 68 |
13.7%
|
| 4 | At least one month | 97 |
19.5%
|
| 95 | Missing | 1 |
0.2%
|