Year constant 2015 US$ 1990 3968350691.017948 1991 3658820979.8895283 1992 3282875618.0434456 1993 3583196704.141998 1994 3906066314.3611107 1995 4117642844.8664794 1996 4166447035.7039948 1997 4226442974.211084 1998 4378534105.734162 1999 4568498422.186098 2000 4766232206.280006 2001 4284755939.6276135 2002 4710618178.622114 2003 4922208234.385653 2004 5290966374.907025 2005 5670544721.963652 2006 5881561673.567483 2007 6329270643.129985 2008 6632305198.616248 2009 6413104319.611812 2010 6655252289.170885 2011 6298575184.33612 2012 6374087388.419012 2013 6492719949.478201 2014 6634712236.087015 2015 6928668821.683533 2016 7197408824.252975 2017 7347630886.59517 2018 7619603196.625356 2019 7905031992.325443 2020 7606559345.950441 2021 8277756013.631982 2022 8593696874.794828 2023 8700204751.83603