| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
0.2%
|
|
| 1 | Always | 57 |
7%
|
| 2 | For most customers | 21 |
2.6%
|
| 3 | For few customers | 32 |
3.9%
|
| 4 | Only when asked by customer | 35 |
4.3%
|
| 5 | No | 672 |
82%
|
| 6 | 1 |
0.1%
|
|
| Sysmiss | 1 |