Year current international $ 2000 1337.556046428354 2001 1448.0932579060134 2002 1550.90180074725 2003 1636.6863819807784 2004 1734.862183410055 2005 1828.7779964182355 2006 1964.0140656690953 2007 2070.550205759635 2008 2205.301608009883 2009 2339.589041666911 2010 2424.4923854661306 2011 2546.3518756571093 2012 2614.362457459096 2013 2716.662472735743 2014 2835.9609188910113 2015 2956.5675530289427 2016 3074.917975937967 2017 3177.47322349063 2018 3301.885393268585 2019 3463.7583050666167 2020 3928.950266116175 2021 4075.4977007379694