TABLE 20

 APPARENT CONSUMPTION OF IRON AND COPPER RELATIVE
 TO DOMESTIC PRODUCTION: SELECTED YEARS, 1900-1960
 (percent)


 Year Iron Copper

 1900 95 61
 1902 107 68
 1904 94 54
 1906 98 75
 1908 96 54

 1910 99 66
 1912 91 71
 1914 95 46
 1916 84 83
 1918 84 91

 1920 85 88
 1922 94 79
 1924 96 78
 1926 97 89
 1928 91 81

 1930 95 75
 1932 96 53
 1934 78 53
 1936 90 87
 1938 62 60

 1940 68 92
 1942 81 152
 1944 80 153
 1946 81 141
 1948 90 132

 1950 100oo 152
 1952 95 150
 1954 102 139
 1956 104 130
 1958 120 104

 1960 115 116

 Source: Computed from U.S. Department of Commerce,
Bureau of the Census, Raw Materials in the United States
Economy, 1900-1961, Bureau of the Census Working Paper
No. 6 (Washington, D. C.: Government Printing Office,
1964), pp. 107, 110.