| Value | Category |
|---|---|
| 1 | very poor (large losses over the last year) |
| 2 | poor (some losses over the last year) |
| 3 | stable (breaking even last year) |
| 4 | good (some profits over the last year) |
| 5 | very good (large profits over the last year) |
| 8 | refuse to answer |
| 9 | don't know |
| 888996 | none |
| 888997 | do not know |
| 888998 | refusal |
| 888999 | miss |