Overall , '' ... -LSB- a -RSB- verage earnings ranged from $ NUMBER@1 for high school dropouts to $ NUMBER@2 for high school graduates , $ NUMBER@3 for college graduates and $ NUMBER@4 for workers with professional degrees -LRB- M.D. , D.P.T. , LOCATION@1 , PERSON@1 , Pharm .

Overall '' ... -LSB- a -RSB- verage earnings ranged from $ NUMBER@1 for high school dropouts to $ NUMBER@2 for high school graduates , $ NUMBER@3 for college graduates and $ NUMBER@4 for workers with professional degrees -LRB- M.D. , LOCATION@1 , PERSON@1 , D.D.S. , or D.V.M. -RRB- .
