Year current US$ 1994 2044700000 1995 2441200000 1996 2497700000 1997 2746200000 1998 2885600000 1999 3363500000 2000 2895400000 2001 2696200000 2002 2233600000 2003 2516400000 2004 3137400000 2005 3573900000 2006 3683400000 2007 4284100000.0000005 2008 4645300000 2009 4943200000 2010 5264300000 2011 5723200000 2012 6299900000 2013 6845800000 2014 7263000000 2015 7645500000 2016 7871500000 2017 8503400000 2018 9023700000 2019 9161700000 2020 8065700000 2021 10094400000 2022 12258000000 2023 11637200000