According to the U.S. Census Bureau, nominal income for the typical family of four in the United States was $23,618 in 1985, $34,076 in 1995, $46,326 in 2005, and $49,276 in 2010. In purchasing power terms, how did family income compare in each of those four years? You will need to know that the CPI (multiplied by 100, 1982-1984=100) was 107.6 in 1985, 152.5 in 1995, 195.3 in 2005, and 218.1 in 2010.