Year	current US$
1993	2539608950.302112
1994	4395726279.293253
1995	6162203097.942973
1996	6264102847.572625
1997	7013981467.249345
1998	7410034538.824061
1999	7532475814.4199705
2000	7220644050.87837
2001	7373693807.579698
2002	8460755941.412648
2003	9763339900.163778
2004	12166784084.695461
2005	14808603895.288988
2006	16280017413.103601
2007	21731645969.62935
2008	24040961439.749947
2009	16342696625.592928
2010	19386161616.93805
2011	21841106614.014385
2012	21906368600.254505
2013	23507935660.423313
2014	24114839562.913906
2015	21040222986.61135
2016	19661948731.396553
2017	20891976512.372646
2018	23835068030.334427
2019	21708005732.186157
2020	21263194248.015026
2021	21571144327.415848
2022	17664169984.44757
2023	23346170889.58685