8 The following chart shows health expenditures for the United States between 1960 and 2014. Using a spreadsheet program:

(a) Calculate health expenditures per person for each year.

(b) Calculate percentage increases in health expenditures per person for each year.

(c) Can you fi nd particular events in given years that might explain either small or large changes in the health expenditures per person or in the percentage changes?

Year 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 U.S. Population

(in Millions)

186 189 192 195 197 200 202 204 206 208 210 213 215 217 218 220 222 224 National Health Expenditures

($ in Billions)

27.2 29.1 31.8 34.6 38.4 41.9 46.1 51.6 58.4 65.9 74.6 82.7 92.7 102.8 116.5 133.3 152.7 173.9 226 228 230 233 235 237 239 1985 242 195.3 221.5 255.3 296.2 334.0 367.8 405.0 442.9 Year U.S. Population (in Millions)
National Health Expenditures ($ in Billions)
1986 244 474.7 1987 246 516.5 1988 248 579.3 1989 251 644.8 1990 254 721.4 1991 257 788.1 1992 260 854.1 1993 263 916.6 1994 266 967.2 1995 268 1,021.6 1996 271 1,074.4 1997 274 1,135.5 1998 277 1,202.0 1999 279 1,278.3 2000 282 1,369.7 2001 285 1,486.7 2002 287 1,629.2 2003 290 1,768.2 2004 293 1,896.5 2005 295 2,024.5 2006 298 2,157.0 2007 301 2,296.2 2008 304 2,402.6 2009 306 2,496.4 2010 309 2,595.7 2011 311 2,696.6 2012 314 2,799.0 2013 316 2,879.9 2014 318 3,031.3