Year constant 2010 US$ 1995 13514190079.8211 1996 14253266605.7012 1997 15030110419.3764 1998 16553859431.8928 1999 16922747402.4249 2000 17161301411.0641 2001 18699878679.7929 2002 19796459748.0035 2003 21978034494.8567 2004 24620576498.1398 2005 26903857772.2634 2006 31808417415.0248 2007 35677495663.0167 2008 32583456038.1661 2009 25196510419.4964 2010 24107632203.9235 2011 26973692024.9938 2012 27411985134.7323 2013 27944985188.4899 2014 27688522312.3529 2015 28344206452.3439 2016 28935474560.0552 2017 30738633426.838 2018 32841317506.5288