Year current US$ 1990 285673553.5 1991 277613403.3 1992 322315094 1993 297324707 1994 323624603.3 1995 346958831.8 1996 362407043.5 1997 314160644.5 1998 273664886.5 1999 295185028.1 2000 251908645.6 2001 243999328.6 2002 316105773.9 2003 337132690.4 2004 413908020 2005 512338250.410883 2006 539348053.730355 2007 589415066.856384 2008 633377746.865837 2009 573235693.798633 2010 658009928.860027 2011 756001122.977538 2012 694996338.535976 2013 722434618.49893 2014 725770039.273495 2015 603613504.799721 2016 575484813.694401 2017 596677078.47217 2018 623629069.001832 2019 586686133.468608 2020 276051017.703846 2021 179854619.624819 2022 435710902.935608 2023 423872228.580108