National Bureau of Statistics, Tanzania
以下でアクセス： 02 11月, 2017
The National Bureau of Statistics (NBS) is responsible for the collection, compilation and dissemination of Official Statistics in the country, including Quarterly Gross Domestic Product Estimates (QGDP). The estimates are used for short term economic planning, monitoring and policy formulation. Quarterly Gross Domestic Product is measured as a value of goods and services produced by resident producers a period of January – March, April – June, July – September and October - December. In the compilation of QGDP estimates, all economic activities are covered.