Historical Statistics of the United States Millennial Edition Online

			Df733	Df734	Df735
			Transits	Tolls	Cargo
Row	Year		Number	Thousand dollars	Thousand long tons
1	1915	²	1,058	4,367	4,888
2	1916	³	724	2,403	3,093
3	1917		1,738	5,621	7,055
4	1918		1,989	6,429	7,526
5	1919		1,948	6,164	6,910

6	1920		2,393	8,508	9,372
7	1921		2,791	11,269	11,596
8	1922		2,665	11,192	10,883
9	1923		3,908	17,504	19,566
10	1924		5,158	24,285	26,993

11	1925		4,592	21,394	23,957
12	1926		5,087	22,920	26,030
13	1927		5,293	24,212	27,734
14	1928		6,253	26,922	29,616
15	1929		6,289	27,111	30,648

16	1930		6,027	27,060	30,018
17	1931		5,370	24,625	25,065
18	1932		4,362	20,695	19,799
19	1933		4,162	19,602	18,161
20	1934		5,234	24,047	24,704

21	1935		5,180	23,307	25,310
22	1936		5,382	23,479	26,506
23	1937		5,387	23,102	28,108
24	1938		5,524	23,170	27,387
25	1939		5,903	23,661	27,867

26	1940		5,370	21,145	27,299
27	1941		4,727	18,158	24,951
28	1942		2,688	9,752	13,607
29	1943		1,822	7,357	10,600
30	1944		1,562	5,456	7,003

31	1945		1,939	7,244	8,604
32	1946		3,747	14,774	14,978
33	1947		4,260	17,597	21,671
34	1948		4,678	19,957	24,118
35	1949		4,793	20,541	25,305

36	1950		5,448	24,430	28,872
37	1951		5,593	23,906	30,073
38	1952		6,524	26,923	33,611
39	1953		7,410	31,918	36,095
40	1954		7,784	33,248	39,095

41	1955		7,997	33,849	40,646
42	1956		8,209	36,154	45,119
43	1957		8,579	38,444	49,702
44	1958		9,187	41,796	48,125
45	1959		9,718	45,529	51,153

46	1960		10,795	50,939	59,258
47	1961		10,866	54,128	63,670
48	1962		11,149	57,290	67,525
49	1963		11,017	56,368	62,247
50	1964		11,808	61,098	70,550

51	1965		11,834	65,443	76,573
52	1966		11,925	69,095	81,704
53	1967		12,412	76,769	86,193
54	1968		13,199	83,907	96,550
55	1969		13,146	87,423	101,373

56	1970		13,658	94,620	114,257
57	1971		14,020	97,380	118,627
58	1972		13,766	98,765	109,234
59	1973		13,841	111,032	126,104
60	1974		14,033	119,423	147,907

61	1975		13,609	141,898	140,101
62	1976		12,157	134,204	117,212
63	1977		11,896	163,827	122,979
64	1978		12,677	194,773	142,518
65	1979		12,935	208,377	154,111

66	1980		13,507	291,839	167,215
67	1981		13,884	301,763	171,222
68	1982		14,009	323,958	185,452
69	1983		11,707	285,984	145,591
70	1984		11,230	286,678	140,471

71	1985		11,515	298,498	138,643
72	1986		11,925	321,074	139,945
73	1987		12,230	328,373	148,690
74	1988		12,234	337,866	156,483
75	1989		11,989	327,851	151,636

76	1990		11,941	353,726	157,073
77	1991		12,572	372,280	162,696
78	1992		12,454	365,716	159,273
79	1993		12,086	398,232	157,704
80	1994		12,337	416,803	170,538

81	1995		13,459	460,044	190,303
82	1996		13,536	483,115	198,068