| Value | Category | Cases | |
|---|---|---|---|
| 1 | Brown | 0 |
0%
|
| 2 | Yellow | 79 |
72.5%
|
| 3 | Green | 0 |
0%
|
| 4 | Black | 2 |
1.8%
|
| 5 | Gray | 4 |
3.7%
|
| 777 | Other | 0 |
0%
|
| 999 | Don't know | 24 |
22%
|
| Sysmiss | 811 |