Year constant 2010 US$ 1960 17594.0218323808 1961 17697.4144364294 1962 18506.1570971482 1963 19052.9387653546 1964 19886.1210338337 1965 20883.5064833422 1966 21975.7520610755 1967 22279.547052499 1968 23107.5355770206 1969 23626.2111829834 1970 23359.4538924158 1971 23803.2749984563 1972 24791.8166317608 1973 25965.1115118794 1974 25678.2018634254 1975 25407.499315765 1976 26527.4528856431 1977 27438.7866425677 1978 28600.3749687732 1979 29201.3320842367 1980 28913.1163185691 1981 29378.9457977389 1982 28524.9465140638 1983 29498.7046335808 1984 31316.7268439694 1985 32351.3694384952 1986 33117.7218690225 1987 33965.1796031765 1988 35058.7811551133 1989 35925.1495797048 1990 36114.9057654137 1991 35528.7277636246 1992 36189.4719138546 1993 36703.4946415987 1994 37737.7323266171 1995 38298.4806980395 1996 39208.7355743912 1997 40464.6170922926 1998 41779.5815386868 1999 43295.880093588 2000 44635.5926486561 2001 44667.525184604 2002 45072.82034939 2003 45917.5393590272 2004 47190.8782440809 2005 48385.2747974147 2006 49277.2041326957 2007 49734.9753378854 2008 49247.3076039088 2009 47547.6264454715 2010 48373.7003720683 2011 48830.0941901044 2012 49521.9014910854 2013 50090.4796268683 2014 50949.9705024388 2015 51922.7074504436 2016 52312.0214557353 2017 53139.6016280324 2018 54226.6303043335