"Legal entity status","2017","2018","2019","2020","2021" "Sole proprietor",5624572,5711357,5745794,5198557,5782752 "Partnership",34271549,37395974,36945404,31908447,39925794 "Corporation",231348947,245783027,250072222,235241988,274867593 "Trust, unknown, and other",3226683,3309911,3249667,3036245,3485367 "Total",274471751,292200269,296013086,275385238,324061506