Year constant 2021 international $ 1990 2156.4401037797975 1991 2188.7968561106095 1992 2265.83656391505 1993 2327.687243606383 1994 2372.302194918049 1995 2447.674636347758 1996 2513.9148267083237 1997 2580.2441464106 1998 2663.3834795321172 1999 2734.88779137308 2000 2825.300472429217 2001 2912.8971249305573 2002 2968.87396079106 2003 3055.7472072947803 2004 3162.8738584455773 2005 3318.834162700373 2006 3497.663923468398 2007 3705.3965325633685 2008 3893.509519080667 2009 4054.1045538143103 2010 4231.41019473125 2011 4450.3653986366035 2012 4682.006522381539 2013 4901.064587757227 2014 5133.756314132328 2015 5405.386482431574 2016 5719.072432782416 2017 6020.264815325173 2018 6386.3112304098095 2019 6813.406186189041 2020 6968.145542252944 2021 7366.489970790653 2022 7805.1530188003635 2023 8171.517091101542