| Value | Category | Cases | |
|---|---|---|---|
| 1 | too expensive | 341 |
21.5%
|
| 2 | tedious (time censoring / complicated) | 319 |
20.1%
|
| 3 | useless | 646 |
40.7%
|
| 4 | other | 283 |
17.8%
|
| Sysmiss | 3369 |