Year constant 2015 US$ 1991 43199579780.369255 1992 43965008998.236855 1993 45889189188.51189 1994 46097635352.134094 1995 42717861330.13522 1996 41674205471.97336 1997 42521715160.248085 1998 44577086447.15527 1999 47543232527.54334 2000 49017661747.20092 2001 51242057404.70586 2002 55281655374.86687 2003 59919884009.20051 2004 61127108374.42833 2005 62871277062.2824 2006 63835733400.1593 2007 64500693617.82105 2008 63677205480.92327 2009 59396425406.99703 2010 58658970939.65077 2011 59161361459.90889 2012 57836635550.822044 2013 57754668719.17876 2014 59147814880.11599 2015 61387096023.55616 2016 64281478166.70097 2017 67500230012.61937 2018 70948035047.83727 2019 74493286674.48293 2020 73630050208.98035 2021 77000331146.57265 2022 82431099138.12393 2023 80382252807.62845