| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 10 |
0.2%
|
| -888 | -888 | 2395 |
48.4%
|
| 1 | Most of the time | 167 |
3.4%
|
| 2 | Some of the time | 376 |
7.6%
|
| 3 | Not very often | 199 |
4%
|
| 4 | Never | 1803 |
36.4%
|