Workers in alternative arrangements as a percent of total employment, February 1995, 1997, and 1999 Percent 1995 1997 1999 All workers in alternative arrangements 9.8 9.9 9.3 Independent contractors 6.7 6.7 6.3 On-call workers 1.7 1.6 1.5 Temporary help agency workers 1.0 1.0 0.9 Contract company workers 0.5 0.6 0.6 Components may not sum to figure for all workers in alternative arrangements due to rounding.