Xr03-31 The United States spends more money on health care than any other country. To gauge how fast costs are increasing, the following table was produced, listing the total health-care expenditures in the United States annually for 1981 to 2006 (costs are in $billions).

a. Graphically present these data.

b. Use the data in CPI-Annual to remove the effect of inflation. Graph the results and describe your findings.

Health Health Year expenditures Year expenditures 1981 294 1994 962 1982 331 1995 1017 1983 365 1996 1069 1984 402 1997 1125 1985 440 1998 1191 1986 472 1999 1265 1987 513 2000 1353 1988 574 2001 1470 1989 639 2002 1603 1990 714 2003 1732 1991 782 2004 1852 1992 849 2005 1973 1993 913 2006 2106