According to my calculations comparing 1958 and 2005 data from the US Department of Commerce, Americans spent 27% of the huge increase in income between 1958 and 2005 on medical care, 23% on their homes, 12% on transportation, 10% on recreation, and 9% on personal business activities.
根据我对美国商务部1958和2005年统计数据所进行的比较，1958到2005年间，美国公民把收入增长的27%用于医疗保健、23%用于房屋、12%用于交通、10%用来娱乐，还有9%用于从事个人商务活动。