| Value | Category |
|---|---|
| -9 | don't know (spontaneous) |
| -7 | if establishment was not in business three years ago |
| 0 | |
| 2 | |
| 3 | |
| 4 | |
| 5 | |
| 6 | |
| 7 | |
| 8 | |
| 10 | |
| 11 | |
| 12 | |
| 13 | |
| 15 | |
| 16 | |
| 17 | |
| 18 | |
| 19 | |
| 20 | |
| 21 | |
| 22 | |
| 23 | |
| 25 | |
| 26 | |
| 27 | |
| 28 | |
| 32 | |
| 35 | |
| 37 | |
| 38 | |
| 40 | |
| 45 | |
| 50 | |
| 51 | |
| 52 | |
| 60 | |
| 67 | |
| 84 | |
| 85 | |
| 90 | |
| 96 | |
| 123 | |
| 130 | |
| 156 | |
| 164 | |
| 170 | |
| 174 | |
| 180 | |
| 184 | |
| 212 | |
| 230 | |
| 250 | |
| 279 | |
| 350 | |
| 400 | |
| 650 |