一、《安徽调查年鉴—2021》由国家统计局安徽调查总队独立编辑出版,是一部全面反映安徽省农村社会经济、城市社会经济发展情况的资料性年刊。本书收录了全省和市、县(区)2020年经济和社会发展各有关方面的调查统计数据,以及全国和各省(区、市)重要历史年份主要统计调查数据。
二、本年鉴统计调查数据分为五个篇章,即:1.综合;2.农业调查;3.人民生活;4.价格调查;5.专项调查。为方便读者理解和使用有关数据,各篇章前设有简要说明,对本篇章的主要内容、资料来源、统计范围、统计方法以及历史变动情况予以简要概述,篇末附有主要指标解释,介绍了统计指标的含义、统计范围和统计方法。
三、本年鉴所涉及的全国性统计数据,除特殊注明外,均未包括香港、澳门特别行政区和台湾省数据。
四、资料中所使用的度量衡单位均采用国际统一标准计量单位。
五、本年鉴部分数据合计数或相对数,由于单位取舍不同产生的计算误差未作机械调整。
六、本书凡带有续表的资料,有关注解均列在最后一张续表的下方。
七、本书符号使用说明:“…”表示该数据不足本表最小计量单位数;“空格”表示该项无统计数据;“#”表示其中的主要项;“”或“①”表示本表下有注解。
Ⅰ.Anhui Survey Yearbook 2021 is an annual statistical publication,which reflects comprehensively the rural and urban economic and social development of Anhui.It covers data for 2020 and key statistical and survey data in recent years and some historically important years at provincial,city and county level and the local levels of province,autonomous region and municipality directly under the Central Government.
Ⅱ.The Yearbook contains five chapters:1.General Survey;2 Agricultural Survey;3 People's Living Conditions;4 Price Survey;5.Special Survey.To facilitate readers,the Brief Introduction at the beginning of each chapter provides a summary of the main contents of the chapter,data sources,statistical scope,statistical methods and historical changes.At the end of each chapter,Explanatory Notes on Main Statistical Indicators are included.
Ⅲ.The national data in this book do not include those of the Hong Kong Special Administrative Region,the Macao Special Administrative Region and Taiwan Province,except for otherwise specified.
Ⅳ.The units of measurement used in this yearbook are internationally standard measurement units.
Ⅴ.Statistical discrepancies on totals and relative figures due to rounding are not adjusted in the Yearbook.
Ⅵ.All tables with continued ones,the footnotes are at the bottom of the last continued table.
Ⅶ.Notations used in the yearbook:“…” indicates that the figure is not large enough to be measured with the smallest unit in the table;(blank space) indicates that data are unknown,or are not available;“#” indicates a major breakdown of the total;and “*” or “①” indicates footnotes at the end of the table.
