| Value | Category |
|---|---|
| -9 | don't know |
| -7 | not in business at the end of 2004 |
| 0 | |
| 3 | |
| 4 | |
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| 126 | |
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| 154 | |
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| 167 | |
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| 190 | |
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| 272 | |
| 286 | |
| 290 | |
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| 312 | |
| 323 | |
| 330 | |
| 336 | |
| 347 | |
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| 403 | |
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| 461 | |
| 470 | |
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| 482 | |
| 500 | |
| 535 | |
| 563 | |
| 566 | |
| 570 | |
| 593 | |
| 631 | |
| 680 | |
| 720 | |
| 740 | |
| 800 | |
| 804 | |
| 819 | |
| 850 | |
| 900 | |
| 920 | |
| 1080 | |
| 1200 | |
| 1515 | |
| 1700 | |
| 2800 |