Year current US$ 1993 3802790981.294939 1994 4818301614.000663 1995 5017903476.074276 1996 6296672633.070822 1997 5472483379.908744 1998 5776834732.65276 1999 5876588954.118806 2000 5487477469.277301 2001 5575890604.436667 2002 6369542699.995681 2003 7428170484.928062 2004 9538956601.27701 2005 10702142647.10167 2006 12699678430.53199 2007 15248792829.376957 2008 18333185770.78673 2009 16175022194.74434 2010 17775521121.38447 2011 20212403841.36282 2012 20189409617.852364 2013 20321375087.398422 2014 22287371456.836395 2015 19708725210.708706 2016 19948999209.38081 2017 21980816561.53987 2018 25004305361.495922 2019 25749331260.29161 2020 21573794617.825455 2021 24933487465.502773 2022 29653513304.37194 2023 35423715691.77536