Year current US$ 1995 3760052711.60669 1996 4296019853.258524 1997 5570465256.797583 1998 5679421665.947346 1999 4652317652.136383 2000 5161331894.691411 2001 6065911091.929218 2002 7570066685.451301 2003 9769109983.079527 2004 12633539493.29359 2005 16272919517.352905 2006 20312938888.191742 2007 25702866721.401203 2008 33089174593.88263 2009 20021144008.8963 2010 24484526320.29369 2011 32897788514.460438 2012 33318801481.761467 2013 35924555727.56564 2014 34192554110.55732 2015 28911509381.843735 2016 28784218479.175167 2017 34041564041.90594 2018 39447825015.513695 2019 39424925627.84307 2020 36351910288.140175 2021 50480361763.371284 2022 63065018962.4127 2023 58107257099.667694