Year	current US$
1993	23364060466.226433
1994	21154193097.87627
1995	20233202652.18099
1996	20821958041.8105
1997	21860432063.62883
1998	21837745633.381916
1999	16319117334.186121
2000	17152990926.4845
2001	21058289426.141735
2002	23651798315.161774
2003	29229493253.76647
2004	40430947002.60963
2005	51568171733.89525
2006	71653766929.12509
2007	91904211572.01451
2008	114066343535.03047
2009	102891184164.8598
2010	128671748240.64336
2011	164881370862.21573
2012	179881468864.11264
2013	211486897952.9744
2014	198714509414.1013
2015	172770506433.20355
2016	123828020084.17114
2017	148657290109.1786
2018	157278679804.06354
2019	158974562541.08078
2020	156009669230.59076
2021	172923312214.50665
2022	199981133856.76877
2023	235418903827.78162