18.CONSTRUCTIONANDOPERATIONOFREALESTATEQualificationDegreeQuantityofCorporationsEmployeesPrimaryOutputRevenue(unit)(10000persons)(100millionyuan)Total500011.342347.85GradeOne510.57238.28GradeTwo2201.29368.39GradeThree6041.61435.84GradeFour230.088.95GradeFive25965.381057.66Others15062.41237.73