Year	current US$
1993	3789413879.64625
1994	6144504849.6138
1995	13842881654.3982
1996	12351805104.7407
1997	9733704815.47645
1998	12542105042.1351
1999	12806104925.9461
2000	13019165047.934
2001	14341230053.1848
2002	23555575708.3116
2003	26770643323.7587
2004	28259287102.2748
2005	29330377656.2902
2006	31181699531.235
2007	34549550659.5418
2008	36654513481.8126
2009	41156604442.2174
2010	41908795248.3128
2011	39670117584.7132
2012	44265282002.5825
2013	55797599698.6233
2014	54084656370.3817
2015	64147864094.1553
2016	85365565025.8449
2017	147582938980.252
2018	142150960354.664
2019	149464301402.53
2020	165548768707.071
2021	172998744519.974
2022	139284425079.52
2023	146345006364.796