Year	constant 2021 international $
1995	15107684533136.496
1996	15436700338974.746
1997	15823652096342.75
1998	16330681797710.709
1999	16822279510381.117
2000	17310111813747.81
2001	17696734086056.71
2002	17934522492562.66
2003	18159108680450.977
2004	18673141871926.645
2005	19039498163310.957
2006	19683954709612.758
2007	20304378201811.113
2008	20339926754954.08
2009	19750756209639.36
2010	20061666670248.39
2011	20300810207439.184
2012	20160761546747.984
2013	20225338583813.14
2014	20611927547943.05
2015	21170041637315.11
2016	21718352402375.934
2017	22308809007004.41
2018	22806504637874.43
2019	23278803347817.383
2020	21992470085029.305
2021	23307381195095.062
2022	23604564573192.836