Download the Data Available:Legislative Effectiveness Data from 93rd-110th Congress (1973-2008).These are the data that served as the foundation for the analysis in Legislative Effectiveness in the United States Congress: The Lawmakers. Download .xlsx Download .dta Available:Download all House data from 1973-2020. Download .xlsx Download .dta Available:Download all Senate data from 1973-2020. Download .xlsx Download .dta