DIAGRAM SHEWING OCEAN GOING SHIPPING BRITISH AND FOREIGN ENTERED AND CLEARED 1912-1931.
30,000,000
29,000,000
28,000,000
27,500,000
27,000,000
26,500,000
26,000,000
25,500,000
25,000,000
24,500,000
24,000,000
23,500,000
23,000,000
22,500,000
22,000,000
21,500,000
21,000,000
20,500,000
20,000,000
19,500,000
19,000,000
18,500,000
18,000,000
17,500,000
17,000,000
16,500,000
16,000,000
15,500,000
15,000,000
14,500,000
14,000,000
13,500,000
13,000,000
12,500,000
12,000,000
11,500,000
11,000,000
10,500,000
10,000,000
9,500,000
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
29,446,145