"Legal entity status","2017","2018","2019","2020","2021" "Sole proprietor",1342090,1356360,1381750,1377930,1349290 "Partnership",228650,224830,221560,219460,217180 "Corporation",1863330,1907790,1933390,1953500,2007230 "Trust, unknown, and other",16310,16420,16690,16600,16660 "Total",3450380,3505390,3553390,3567490,3590350