Year constant 2015 US$ 1995 1335928967.1890619 1996 1791651401.397265 1997 1883647772.2363274 1998 2693252671.4480457 1999 2814326046.6117177 2000 3435955052.8679676 2001 4099621283.5242176 2002 3939408731.6308584 2003 4366294925.811718 2004 5604187333.985155 2005 6775160581.673435 2006 7746261739.1929655 2007 9478462111.37187 2008 8512779814.810152 2009 5569410761.941403 2010 4470634627.558982 2011 5627725649.959763 2012 6621558507.582418 2013 6328191094.659371 2014 6082149954.085934 2015 5960532917.605856 2016 5469287209.178513 2017 6093393757.719527 2018 6809058419.507808 2019 6910750823.498043 2020 6761797608.418746 2021 7250202963.846088 2022 7290497143.494917 2023 7889130385.580072