Year constant 2011 international $ 1990 2462.11018548247 1991 2414.6765495847 1992 2375.96642175335 1993 2302.28415975009 1994 2278.77202182772 1995 2282.67201091204 1996 2333.47766087943 1997 2356.71445781579 1998 2355.69881023156 1999 2342.46795906171 2000 2320.73753401218 2001 2377.22694924793 2002 2496.68828716127 2003 2546.88747906946 2004 2632.88874547332 2005 2715.94702514532 2006 2860.7332632453 2007 2941.5071934834 2008 3013.200426269 2009 3052.90834813147 2010 3115.47141393595 2011 3190.3171657441 2012 3247.88060896225 2013 3291.09703881902 2014 3431.68586887308 2015 3474.35226819723 2016 3437.11626302489 2017 3431.09118358158