Year current US$ 1998 1984050244.41406 1999 1872783885.77068 2000 1580952510.81787 2001 1500016856.77626 2002 1495729518.77171 2003 1738096326.07414 2004 2053201662.45907 2005 2037731948.23597 2006 2148940834.02539 2007 2686415541.12783 2008 2717663874.22993 2009 2127033059.49894 2010 1822304847.02471 2011 1958230199.62974 2012 1845715376.70009 2013 1957987470.1827 2014 2107139724.56893 2015 1801111957.91248 2016 1845995097.12476 2017 2016872694.94044 2018 2262876954.49906 2019 2332570551.4136 2020 1931039749.05507 2021 2477948499.81385 2022 2581262139.02977 2023 2850000000