5 全国历年城市供水情况(1978-2017)
5 National Urban Water Supply in Past Years (1978-2017)
1.1978
2.自2006年起，用水普及率指标按城区人口和城区暂住人口合计为分母计算，括号中的数据为往年同口径数据。
Note:1.Integrated production capacity from 1978 to 1985 is limited to the statistical figure in building secter; Length of water supply pipelines from 1978 to 1995 is limited to the statistical figure in building secter.
2.Since 2006,water coverage rate has been calculated based on denominator which combines both permanent and temporary residents in urban areas, and the datas of brackets are the same index but calculated by the method of past years.