Year current international $ 2000 1814.7937479030206 2001 1938.7893681167004 2002 2078.5561471906944 2003 2177.2408753064233 2004 2280.9741425400907 2005 2388.8336825525707 2006 2582.965653855191 2007 2721.0668298338996 2008 2935.027556305569 2009 3094.153670530438 2010 3184.1999685429255 2011 3307.8571560748583 2012 3376.5371169548184 2013 3508.6600415361577 2014 3606.889360022309 2015 3704.114937259941 2016 3924.0302154186083 2017 4108.68887946881 2018 4293.9348311042195 2019 4598.768350017488 2020 4859.324958924163 2021 5226.492270904119