一、《天津统计年鉴》是一部全面反映天津市国民经济和社会发展情况的大型资料性年刊,创刊于1984年,逐年出版,形成系列。2020版《天津统计年鉴》系统收录了天津市2019年经济、社会各方面的统计数据,以及其他重要历史年份的全市主要统计数据。全书中英文对照,配有光盘。 二、本年鉴文字资料主要登载有《2019年天津市国民经济和社会发展统计公报》《2019年天津经济形势分析》。为方便读者使用,书的篇目索引标明了全书结构。在书中每篇后附有主要统计指标解释。 三、本年鉴的统计数据主要取自各专业统计年报,少部分取自抽样调查数据和专业部门统计数据。 四、本年鉴所使用的度量衡单位均采用国际统一标准计量单位;行业分类标准采用《国民经济行业分类》(GB/T 4754-2017);人均指标采用常住人口计算。 五、本年鉴中部分数据的合计数和相对数由于四舍五入取舍不同而产生的计算误差,均未做机械调整。 六、本年鉴表中的符号使用说明:“空格”表示该项统计指标无数据、数据不足本表最小单位数或数据不详;“#”表示其中的主要项。 七、由于与不同年份有关专业的普查、调查、清查结果相衔接,以及国家统计制度变化和有关主管部门提供的统计数据有调整等原因,年鉴中部分指标的历史年度数据会有变动。读者在使用历史资料时,凡以前年度的年鉴与本年鉴数据有出入的,均以本年鉴为准。 八、《天津统计年鉴》自公开出版以来,得到了国内外广大读者的关心和支持,对本年鉴的内容和编辑工作提出了许多宝贵意见,对此我们深表谢意。限于我们的水平,书中难免有不足之处,敬请广大读者继续给予批评指正,帮助我们进一步改进年鉴编辑工作、提高年鉴编辑水平,更好地为广大读者服务。 Ⅰ.Tianjin Statistical Yearbook is a large-sized statistics publication to reflect various aspects of Tianjin's economic and social development,which was started in 1984 and published year after year,having formed a series of yearbooks.Tianjin Statistical Yearbook 2020 takes Tianjin economic and social statistics of 2019 systematically,and other statistics of main years.The book is written in Chinese & English,and is equipped with electric CD. Ⅱ.Written materials in the book include Statistical Communique on the 2019 National Economic and Social Development of Tianjin,Analysis of Tianjin Economic Situation 2019.In order to help readers using these statistical materials better,Subject Index is used to describe the framework of the book,and Explanatory Notes on Main Statistical Indicators are attached after each chapter. Ⅲ.The major data sources of this book are obtained from annual professional statistical report,a few from sample surveys and departments' statistics. Ⅳ.The units of measurement used in this book are internationally stander measurement units;sector listed in this table is classified by the standard of GB/T 4754-2017.When calculating per capital indicators,we use permanent population. Ⅴ.Statistical discrepancies due to rounding are not adjusted in this book. Ⅵ.Notations used in this book:"blank" indicates the data not available or the figure is not large enough to be measured with the smallest unit in the table."#' indicates the major items of the total. Ⅶ.As a result of keeping consistent with data of census,surveys and checks,the change of national statistics system and adjustment of figures provided by departments some data in this yearbook is different from former yearbook.When using historical data,users should take the data of this book as standard. Ⅷ.Since Tianjin Statistical Yearbook had been published openly,we have been concerned and supported by the readers at home and abroad.They advance much valuable suggestion on content and edition of the yearbook,we deeply thanks for this all.Based on our limited level,perhaps there are some mistakes in this book,we welcome all of the readers give us your criticism in order to help us further improving our edition level,and providing services for the readers better.
