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Table 3-24b: Labor Productivity Indices for Selected Transportation Industries (North American Industry Classification System [NAICS] basis)

(Index, 1997 = 100)

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  1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006
Output per hour a worked                                        
Air transportationb 81 82 79 78 78 81 85 91 95 99 100 98 98 98 92 102 (R) 113 (R) 127 (R) 136 142
Line-haul railroads 59 64 68 70 75 82 86 89 92 98 100 102 105 114 122 132 142 (R) 146 (R) 138 143
General freight trucking, long-distance 86 86 85 89 93 98 96 98 96 95 100 99 99 102 103 107 111 111 (R) 113 112
Postal Service 91 90 90 94 94 95 98 98 98 97 100 102 103 105 106 106 108 110 111 111
Output per employeec                                        
Air transportationb 81 82 79 78 78 81 85 91 95 99 100 98 98 98 92 102 (R) 113 (R) 127 (R) 136 142
Line-haul railroads 57 62 64 68 70 76 80 86 91 97 100 99 102 110 113 119 (R) 128 (R) 133 (R) 131 134
General freight trucking, long-distance 83 84 83 86 89 95 95 98 95 96 100 99 100 103 103 108 112 115 (R) 117 116
Postal Service 87 87 87 91 92 95 98 98 96 96 100 101 102 106 105 105 107 111 (R) 114 114

KEY: R = revised.

a Based on the number of paid hours.

b The average weekly hours were assumed to be constant for air transportation industries; therefore, the output per hour worked and the output per employee measures are identical.

c Full-time and part-time employees are counted equally. Hence, these data do not reflect output per full-time equivalent employee.

NOTES

BLS developed labor productivity indexes for all manufacturing and retail trade of the North American Industry Classification System (NAICS) industries as well as selected mining, transportation, communications and services industries. Indexes for petroleum pipelines and bus (class I) systems were created under the Standard Industrial Classification (SIC) system but have not yet been developed under NAICS. Productivity measures for NAICS start in 1987.

SOURCE

U.S. Department of Labor, Bureau of Labor Statistics, Industry Productivity, available at http://www.bls.gov/lpc as of September 2008.
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