What is the best definition of economic data

Economic data/economic statistics are data which explains actual economy i.e. past/present.  

Typically found in time-series form which is covering more than one time period.  

Data can be gathered from surveys of individuals and firms and industries of single economy or for international economy.  

Collection of those data in tabular form consists of a data set.

Methodological economic and statistical elements of the subject include measurement, collection, analysis, and publication of data.

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during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.