| Value | Category | Cases | |
|---|---|---|---|
| 1 | Day | 232 |
63.9%
|
| 2 | Week | 72 |
19.8%
|
| 3 | Month | 51 |
14%
|
| 4 | Year | 7 |
1.9%
|
| 9 | Missing | 1 |
0.3%
|
| Sysmiss | 155 |