table 6 21 professional scientific and technical services except notaries landscape architectural naics 54 estimated total expenses for employer firms 2003 through 2004 estimates are based on data from the service annual survey administrative have been revised to reflect historical corrections individual responses dollar volume shown in millions of dollars consequently may not be additive adjusted using results 2002 economic census code kind business percent change 807 535 761 762 0 5411 legal 151 780 143 987 5 4 54111 offices lawyers 141 836 133 799 54119 other s 10 189 5412 accounting tax preparation bookkeeping payroll 74 199 69 693 541211 certified public accountants 39 454 36 299 8 7 541213 3 742 509 541214 541219 5413 engineering related 156 528 145 914
