| Value | Category |
|---|---|
| -9 | don't know |
| -7 | not in business three years ago |
| 1 | |
| 2 | |
| 3 | |
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| 53 | |
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| 63 | |
| 66 | |
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| 160 | |
| 165 | |
| 176 | |
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| 204 | |
| 207 | |
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| 220 | |
| 239 | |
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| 250 | |
| 296 | |
| 300 | |
| 353 | |
| 370 | |
| 470 | |
| 494 | |
| 500 | |
| 502 | |
| 512 | |
| 580 | |
| 590 | |
| 681 | |
| 850 | |
| 900 | |
| 918 | |
| 1531 | |
| 2068 |