Year constant 2015 US$ 1995 5730377944428.143 1996 6076798207617.087 1997 6474193644450.635 1998 6744716129862.148 1999 6986685816357.173 2000 7386544455885.483 2001 7692998486506.585 2002 8085340399485.3125 2003 8617675235498.679 2004 9275378545647.86 2005 9978680308152.965 2006 10972666181771.89 2007 12132217099833.336 2008 12997878870426.322 2009 13497391521234.994 2010 14648449948306.13 2011 16012811550063.225 2012 16943015022381.021 2013 17832212736537.305 2014 18813453088171.332 2015 19576389483746.73 2016 20479626305369.332 2017 21614410966437.816 2018 22600233502538.035 2019 23584247184614.145 2020 23430722351563.21 2021 25232541866689.664 2022 26062783988379.5