可供应量分析1.总量分析2005年5月北京市建委共批准销售许可证42张,涉及项目数为40个、总批准销售面积为187.62万平方米,不同物业供应量如下表所述。与4月份相比,无论是许可证、涉及项目数量以及可销售面积都有所下降,尤其普通住宅面积比例降近30%;但在同时,公寓、别墅和写字楼 Availability Analysis 1. Aggregate Analysis In May 2005, Beijing Municipal Construction Commission approved a total of 42 sales licenses, involving 40 projects with a total approved sales area of ​​1,876,200 square meters. The supply of different properties is as follows. Compared with April, both the number of projects involved and the salable area declined, especially in the proportion of ordinary residential area dropped by nearly 30%; but at the same time, apartments, villas and office buildings