Year current US$ 2004 625223497459.9485 2005 733654641625.4094 2006 893126575136.0957 2007 1149715189236.1414 2008 1475673942655.0894 2009 1611942474298.1543 2010 1924333072319.5784 2011 2421387361155.6274 2012 2690076711732.4136 2013 2935359967255.0156 2014 3184217491389.9946 2015 3202510065357 2016 3153128508921.242 2017 3460348237641.4 2018 3868482846608.586 2019 3823422172446.9614 2020 3860697899030.644 2021 4909020290402.738 2022 4839978519132.251 2023 4658781665381.61