| Value | Category |
|---|---|
| -9 | Break-off |
| -7 | Legal skip |
| -3 | Interviewer error |
| 1 | Very poor (strong contraction expected) |
| 2 | Poor (mild contraction expected) |
| 3 | Stable |
| 4 | Good (mild expansion expected) |
| 5 | Very good (strong expansion expected) |
| 8 | Refuse to answer |
| 9 | Don't know |