| Value | Category | 
|---|---|
| -999 | rta | 
| -888 | dk | 
| -777 | mv | 
| -666 | Skip | 
| -555 | Other | 
| -222 | na | 
| 0 | |
| 0.0625 | |
| 0.125 | |
| 0.1875 | |
| 0.25 | |
| 0.3125 | |
| 0.375 | |
| 0.4375 | |
| 0.5 | |
| 0.5625 | |
| 0.625 | |
| 0.75 | |
| 0.875 | |
| 0.9375 | |
| 1 | |
| 1.25 | |
| 1.3125 | |
| 1.5 | |
| 1.6875 | |
| 1.875 | |
| 2.125 | |
| 2.3125 | |
| 2.5 | |
| 3.125 | |
| 3.375 | |
| 3.75 | |
| 3.875 | |
| 4.375 | |
| 5 | |
| 5.9375 | |
| 6.25 | |
| 6.6875 | |
| 7.5 | |
| 8.4375 | |
| 10 | |
| 11.25 | |
| 18.75 | |
| 20 | |
| 25 | |
| 50 | |
| Sysmiss |