Year constant 2010 US$ 1971 1114.94481322342 1972 1108.62210999159 1973 1198.17948126433 1974 1247.83486085238 1975 1283.14670757506 1976 1350.79835778662 1977 1384.19097314545 1978 1437.25029290372 1979 1437.1894116111 1980 1445.04595344636 1981 1482.39824156319 1982 1465.83434635739 1983 1445.25684468043 1984 1269.83413747951 1985 1148.40973660758 1986 1153.04743199629 1987 1208.87577808395 1988 1280.83801512502 1989 1307.25026932815 1990 1354.00982909121 1991 1326.3882885816 1992 1330.28185789511 1993 1306.16145901727 1994 1367.58411749787 1995 1404.92124667331 1996 1458.62614279178 1997 1536.28950142765 1998 1624.39366985236 1999 1660.41673057664 2000 1777.41536103075 2001 1784.66416113429 2002 1826.72032315093 2003 1871.20121491852 2004 1897.18129659221 2005 1935.51282196068 2006 1967.99128844288 2007 1990.94466256112 2008 2077.54112143949 2009 2179.82689141649 2010 2279.91684305692 2011 2265.59983330497 2012 2402.08508248776 2013 2607.35358423106 2014 2688.13408637368 2015 2873.70020110388 2016 3054.61018463473 2017 3194.75307795944