Millions of 1954 Dollars 15,000 1,ooo 10,000 9,000 8,000 7,000 6,000 5,000 4,000 3,000 2,000 1,500 1,000 I I I I I I I I I I 1900 1910 1920 1930 1940 1950 1960 Figure 4. Apparent Consumption by Five-Year Averages of Iron, 1900-1960. Source: Table 24. . i i i l I m I I I I I I i i I I I I I I I I