资质等级法人单位数从业人员主营业务收入(个)(万人)(亿元)总计500011.342347.85一级510.57238.28二级2201.29368.39三级6041.61435.84四级230.088.95暂定25965.381057.66其他15062.41237.73表18房地产开发经营情况