Xr03-36 The average daily U.S. oil consumption and production (thousands of barrels) is shown for the years 1973 to 2007. Use a graphical technique to describe these figures. What does the graph tell you?

Year 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 Consumption 17,318 16,655 16,323 17,460 18,443 18,857 18,527 17,060 16,061 15,301 Production 9,209 8,776 8,376 8,132 8,245 8,706 8,551 8,597 8,572 8,649 Year 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 Consumption 15,228 15,722 15,726 16,277 16,666 17,284 17,327 16,988 16,710 17,031 Production 8,689 8,879 8,972 8,683 8,349 8,140 7,615 7,356 7,418 7,172 Year 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 Consumption 17,328 17,721 17,730 18,308 18,618 18,913 19,515 19,699 19,647 19,758 Production 6,847 6,662 6,561 6,465 6,452 6,253 5,882 5,822 5,801 5,746 Year 2003 2004 2005 2006 2007 Consumption 20,034 20,731 20,799 20,800 20,680 Production 5,682 5,419 5,179 5,102 5,065