Figure 2,,,,,,,,,, Multifactor Productivity: 1990-1999,,,,,,,,,, "Index: 1990=100 ",,,,,,,,,, ,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999 Railroad,100.0,103.3,109.9,113.5,115.9,122.8,127.4,127.4,126.1,130.1 Private business sector,100.0,98.9,101.2,101.7,102.8,103.0,104.7,105.9,107.3,108.3 " SOURCE: All except noted: U.S. Department of Labor, Bureau of Labor Statistics, Office of Productivity and Technology, ""Industry Productivity Database,"" available at http://www.bls.gov, as of February 2003. Bus carriers and Pipeline: Personal communication with U.S. Department of Labor, Bureau of Labor Statistics, Office of Productivity and Technology.",,,,,,,,,,