| Value | Category | 
|---|---|
| -9 | Don't know (spontaneous) | 
| -7 | Establishment was not in business | 
| 1 | |
| 2 | |
| 3 | |
| 4 | |
| 5 | |
| 6 | |
| 7 | |
| 8 | |
| 9 | |
| 10 | |
| 11 | |
| 12 | |
| 13 | |
| 14 | |
| 15 | |
| 16 | |
| 17 | |
| 18 | |
| 20 | |
| 21 | |
| 22 | |
| 23 | |
| 25 | |
| 26 | |
| 28 | |
| 30 | |
| 31 | |
| 34 | |
| 35 | |
| 36 | |
| 40 | |
| 42 | |
| 43 | |
| 45 | |
| 46 | |
| 50 | |
| 54 | |
| 55 | |
| 60 | |
| 70 | |
| 80 | |
| 85 | |
| 90 | |
| 100 | |
| 105 | |
| 110 | |
| 120 | |
| 130 | |
| 140 | |
| 150 | |
| 154 | |
| 160 | |
| 180 | |
| 195 | |
| 200 | |
| 250 | |
| 272 | |
| 280 | |
| 300 | |
| 325 | |
| 330 | |
| 350 | |
| 360 | |
| 380 | |
| 400 | |
| 490 | |
| 500 | |
| 580 | |
| 600 | |
| 608 | |
| 680 | |
| 800 | |
| 900 | |
| 1000 | |
| 1100 | |
| 1400 | |
| 1500 |