A line chart showing the percent change on the year-ago price per unit of real nonfinancial corporate gross domestic product. The percent change through Q4 of each year was 1.6% in 1983; 1.3% in 1985; 2.0% in 1987; 3.1% in 1989; 2.1% in 1991; 1.9% in 1993; 0.9% in 1995; 0.8% in 1997; 0.6% in 1999; 0.7% in 2001; -0.2 in 2002; and 0.2 in the fist quarter of 2003.