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1991年美国回收铝饮料罐达到568.6亿个的新记录,这同1990年550亿个的记录相比,相当于增加3％。由美国铝业协会发表的数字也显示出:其回收率从前年所见到的63.6％下降到62.4％。
In 1991, the United States recorded 56.86 billion new records of aluminum beverage cans, representing an increase of 3% from the 55 billion recorded in 1990. The figures released by the Aluminum Association also showed that the recovery rate dropped from 63.6% seen in the previous year to 62.4%.