Heavily Enforced
Very Intolerant
| Quality | Average ($/Oz.)* | Sample Size |
| High Quality | $358.83 | 750 |
| Medium Quality | $180.98 | 375 |
| Low Quality | $133.64 | 80 |
| Midland, Michigan | $320 | an ounce | high quality | February 22, 2012 |
| Lapeer, Michigan | $80 | a quarter | high quality | February 21, 2012 |
| Warren, Michigan | $35 | an eighth | high quality | February 19, 2012 |
| Southfield, Michigan | $475 | an ounce | high quality | February 19, 2012 |
| Millington, Michigan | $20 | an eighth | medium quality | February 19, 2012 |
| Clawson, Michigan | $75 | 5 grams | medium quality | February 18, 2012 |
| Roseville, Michigan | $25 | a quarter | medium quality | February 17, 2012 |
| Hartland, Michigan | $50 | an eighth | high quality | February 17, 2012 |
| Westland, Michigan | $160 | a half ounce | medium quality | February 17, 2012 |
| Bloomfield Hills, Michigan | $90 | a quarter | high quality | February 16, 2012 |
| Birmingham, Michigan | $125 | an ounce | high quality | February 16, 2012 |
| Saint Clair Shores, Michigan | $2 | an ounce | high quality | February 15, 2012 |
| Midland, Michigan | $80 | an eighth | high quality | February 15, 2012 |
| Flint, Michigan | $120 | an ounce | medium quality | February 14, 2012 |
| Ypsilanti, Michigan | $50 | 5 grams | medium quality | February 13, 2012 |