| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
0.2%
|
|
| 1 | Yes, usually | 49 |
6%
|
| 2 | Yes but rarely | 77 |
9.4%
|
| 3 | No | 689 |
84.2%
|
| 6 | 1 |
0.1%
|
|
| Sysmiss | 3 |