Region's total purchases of dental care, share (%)

The region's purchase of dental care as a share of the net cost, excluding the cost of pharmaceuticals within the benefit of dental care (%). Purchase of business is payment for a public task (core business) that has been handed over to someone else to perform. Net cost means gross cost less gross revenue.该地区牙科医疗服务（dental care）采购支出占净成本（net cost）的比例（%），该比例计算时剔除了牙科医疗福利范畴内的药品成本。业务外包采购（Purchase of business）指为委托第三方执行的公共任务（核心业务）所支付的款项。净成本指总成本（gross cost）减去总收入（gross revenue）。