Year	constant 2015 US$
1989	1871880967621.823
1990	1969179644749.7046
1991	2087089752871.4065
1992	2178179647224.776
1993	2245456083453.35
1994	2394257483249.261
1995	2415902299042.602
1996	2525415313543.432
1997	2671073545535.3955
1998	2714381117186.0513
1999	2675739368926.5264
2000	2756493211183.094
2001	2761372251424.2666
2002	2772248129876.4614
2003	2802503907733.251
2004	2921533111017.291
2005	2996995546115.4863
2006	3225737909956.8535
2007	3432898148042.518
2008	3534525874984.3945
2009	3460438397076.2607
2010	3693760206351.0283
2011	3848017069273.1094
2012	3894494326018.9604
2013	4030874145480.127
2014	4079058298062.239
2015	4117865424893.5386
2016	4088124855707.7456
2017	4230351464519.1064
2018	4244127138903.3125
2019	4290777050247.1836
2020	4002959809138.121
2021	4165919668633.8965