| Value | Category |
|---|---|
| -9 | don't know |
| -7 | not in business three years ago |
| 1 | |
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| 392 | |
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| 620 | |
| 800 | |
| 861 | |
| 1059 | |
| 1300 | |
| 1450 | |
| 1500 | |
| 1750 | |
| 1800 | |
| 2000 | |
| 2600 | |
| 15000 |