Table 5.--Domestic secondary recovery of old and new aluminum scrap (Thousand metric tons) ---------------------------------------------------------------------------------------------------------------------- 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 ---------------------------------------------------------------------------------------------------------------------- New scrap --------- 728 757 795 886 887 816 963 974 996 1,055 960 Old scrap --------- 179 196 227 240 276 305 371 482 522 557 617 --------------------------------------------------------------------------------------------------- Total scrap -- 907 953 1,022 1,126 1,163 1,121 1,334 1,456 1,518 1,612 1,577 --------------------------------------------------------------------------------------------------- 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 ------------------------------------------------------------------------------------------ New scrap --------- 1,031 884 953 935 912 989 1,134 1,077 1,043 1,034 Old scrap --------- 758 782 820 825 850 784 852 1,045 1,011 1,359 ------------------------------------------------------------------------------------------ Total scrap -- 1,789 1,666 1,773 1,760 1,762 1,773 1,986 2,122 2,054 2,393 ---------------------------------------------------------------------------------------------------------------------- Source: U.S. Bureau of Mines Minerals Yearbook.