| Value | Category | Cases | |
|---|---|---|---|
| 1 | Attrition sample | 627 |
25.9%
|
| 2 | Attrition sample1 | 318 |
13.1%
|
| 3 | Attrition sample2 | 113 |
4.7%
|
| 4 | Main sample | 1366 |
56.4%
|