Changes

##Create single variable tables: Distinct CMSA, year, stage, found date year of fund and found yearof company.##Create the cross production tables: CMSA-year, CMSA-year -fund year founded and CMSA-year-company year founded#Draw data from cleaned companies, funds and rounds tables##Create a table with 'CMSA', 'number of companies' and 'year Founded' from cleaned companies table and join it to CMSA -year founded##Create a table with 'Company CMSA', 'round year', 'disclosed amount' from rounds-companies combined table, and add stage binary variables. Join it to CMSA-year-company year founded##Create a table with 'CMSA', 'fund year', 'number of investors' from cleaned funds table and join it to CMSA-year-fund year founded#Create near-far and stages table##Add fund data to rounds-companies##Create near-far and stages binary variable##Count investment and deals by CMSA and year, #Combine all tables by round year