BTS | Figure 1 - Annual Weights for the Aggregation of Transportation

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BTS Home > Publications > Journal of Transportation and Statistics > Volume 6 Number 2/3 > Paper 1

Figure 1
Annual Weights for the Aggregation of Transportation

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	Railroad transportation	Transportation by air	Water transportation	Trucking and warehousing	Local and interurban passenger transit	Rail Passenger	Rail Freight	Pipelines, except natural gas	Air Passenger	Air Freight
1979	0.212	0.182	0.072	0.425	0.052	0.006	0.206	0.056	0.168	0.014
1980	0.215	0.188	0.074	0.415	0.054	0.006	0.209	0.054	0.173	0.015
1981	0.217	0.183	0.077	0.410	0.052	0.006	0.210	0.061	0.169	0.014
1982	0.190	0.191	0.073	0.417	0.056	0.007	0.184	0.072	0.178	0.014
1983	0.184	0.206	0.069	0.416	0.055	0.004	0.180	0.070	0.192	0.015
1984	0.179	0.213	0.065	0.425	0.059	0.003	0.176	0.060	0.197	0.015
1985	0.171	0.210	0.065	0.438	0.060	0.004	0.167	0.057	0.197	0.013
1986	0.170	0.216	0.060	0.447	0.063	0.004	0.166	0.044	0.189	0.027
1987	0.152	0.237	0.058	0.444	0.060	0.004	0.148	0.049	0.208	0.030
1988	0.150	0.278	0.059	0.419	0.058	0.004	0.146	0.037	0.242	0.036
1989	0.128	0.282	0.062	0.433	0.060	0.004	0.124	0.036	0.250	0.032
1990	0.124	0.285	0.063	0.436	0.057	0.004	0.121	0.035	0.260	0.024
1991	0.132	0.282	0.066	0.425	0.061	0.004	0.128	0.033	0.257	0.025
1992	0.124	0.290	0.061	0.430	0.063	0.004	0.121	0.032	0.264	0.026
1993	0.119	0.305	0.058	0.427	0.061	0.003	0.115	0.030	0.276	0.029
1994	0.116	0.311	0.057	0.430	0.058	0.003	0.113	0.027	0.280	0.031
1995	0.112	0.322	0.055	0.424	0.059	0.003	0.110	0.026	0.288	0.035
1996	0.108	0.325	0.056	0.423	0.062	0.003	0.105	0.026	0.288	0.037
1997	0.098	0.335	0.056	0.423	0.064	0.002	0.096	0.025	0.296	0.039
1998	0.093	0.329	0.052	0.438	0.065	0.002	0.091	0.023	0.291	0.038
1999	0.085	0.331	0.050	0.447	0.065	0.003	0.082	0.022	0.291	0.039
2000	0.081	0.330	0.053	0.448	0.067	0.003	0.078	0.022	0.292	0.038
2001	0.079	0.337	0.053	0.442	0.066	0.003	0.076	0.023	0.295	0.042
2002	0.078	0.343	0.054	0.437	0.065	0.004	0.075	0.023	0.300	0.044

Source: "Gross Product by Industry" table, Survey of Current Business, November 2001.

Figure 1 Annual Weights for the Aggregation of Transportation

Figure 1
Annual Weights for the Aggregation of Transportation