Year	constant 2015 US$
1990	301605392997.6597
1991	267523983579.73807
1992	235956153527.49432
1993	220854959695.01996
1994	214450165857.61594
1995	212091214044.07806
1996	208799023971.90613
1997	203787707698.59293
1998	205825886380.2663
1999	212207099989.0315
2000	216451718198.57532
2001	214719901284.57037
2002	220302669506.84027
2003	225590187545.37936
2004	230326889404.8368
2005	233550830906.63046
2006	238922479376.03973
2007	245373537128.99738
2008	253716735823.13306
2009	252194451279.5319
2010	248411756733.00253
2011	251889676894.32034
2012	257553681822.26443
2013	257690463499.9974
2014	251297474403.2263
2015	242227916567.17975
2016	245737610070.82895
2017	251950296046.95203
2018	255173991497.15952
2019	261220986677.0933
2020	266310365559.53195
2021	274024286404.91568
2022	281737689655.99615
2023	301459327931.9159