Historical Statistics of the United States Millennial Edition Online

		Df114	Df115	Df116	Df117
		Freight bill	Passenger bill	Transport bill	Transport bill as a percentage of GNP
Row	Year	Billion dollars	Billion dollars	Billion dollars	Percent
1	1960	47.8	60.5	106.6	20.7
2	1965	64.9	82.2	144.8	20.5
3	1970	84.0	114.3	195.2	19.2
4	1971	91.2	134.4	222.0	20.1
5	1972	97.2	149.2	242.3	20.0

6	1973	107.9	163.1	266.5	19.6
7	1974	116.0	171.3	282.6	19.2
8	1975	115.8	188.2	298.9	18.7
9	1976	133.4	223.8	351.1	19.7
10	1977	150.8	256.6	400.9	20.1

11	1978	172.9	287.7	453.4	20.2
12	1979	193.2	317.9	503.0	20.1
13	1980	213.7	338.1	542.9	19.8
14	1981	228.4	374.0	592.5	19.3
15	1982	222.1	379.2	591.4	18.6

16	1983	243.3	410.8	643.2	18.7
17	1984	268.0	459.5	715.6	18.8
18	1985	273.6	492.2	753.1	18.6
19	1986	281.0	492.5	760.9	17.2
20	1987	294.2	528.1	807.5	17.2

21	1988	313.0	571.9	869.0	17.2
22	1989	329.1	602.7	945.2	16.8
23	1990	350.8	630.4	963.8	16.7
24	1991	355.1	604.7	943.4	15.9
25	1992	375.1	641.1	999.0	16.0

26	1993	396.3	682.3	1,061.5	16.2
27	1994	419.9	715.2	1,117.7	16.1
28	1995	444.5	759.9	1,186.9	16.3
29	1996	467.2	796.8	1,245.6	16.3