Year	current US$
1987	515907391297.33496
1988	537399378352.7129
1989	576145241192.5271
1990	524641669949.7566
1991	584308378791.1609
1992	682566488711.0476
1993	641295912228.5344
1994	714421143019.5896
1995	804137356011.3267
1996	879183702408.6504
1997	911415904744.3848
1998	885153078606.1084
1999	871639906033.0542
2000	1003500597664.3115
2001	1058407902895.1523
2002	1148625375715.2744
2003	1386980842644.8013
2004	1756323599306.1558
2005	2151036398769.1255
2006	2687178110715.9824
2007	3452997021482.866
2008	4369510635056.414
2009	4098346941805.5117
2010	5207509223455.854
2011	6414118340882.1875
2012	6849365385181.789
2013	7292940573956.408
2014	7537753997539.268
2015	7149463467856.85
2016	7021726179904.561
2017	7796768916081.848
2018	8721719782828.383
2019	8705847488685.58
2020	8685695172978.965
2021	10884108107972.82
2022	11454867805972.383