| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6 |
0.5%
|
|
| 1 | too expinsive | 358 |
32.8%
|
| 2 | tedious (time censuring/complicated) | 67 |
6.1%
|
| 3 | useless (no perceived benefit) | 512 |
46.9%
|
| 4 | other | 149 |
13.6%
|
| Sysmiss | 1856 |