Year constant 2015 US$ 1995 1252.7219705450034 1996 1310.1774488089159 1997 1354.9615671705321 1998 1369.8172055164932 1999 1392.0021745694592 2000 1455.2402706627051 2001 1486.6717556399592 2002 1528.8309938852608 2003 1579.2980915558935 2004 1661.491791403907 2005 1756.1499562440047 2006 1861.1054693900703 2007 1998.4115033547628 2008 2093.785665778742 2009 2125.19329771764 2010 2260.65035062745 2011 2422.226049921574 2012 2538.371877354653 2013 2651.1446846848166 2014 2748.8857460339195 2015 2827.212460817957 2016 2927.0640851847756 2017 3070.6023048270913 2018 3202.2065183080385 2019 3309.617195015808 2020 3158.6919350441585 2021 3448.906578452187 2022 3593.7177068567435