Year	current US$
1995	1384067796.6101694
1996	3911862197.3929234
1997	5400470206.180336
1998	4583104039.558161
1999	2969446469.150624
2000	942619356.3299185
2001	4647702726.169814
2002	6295732961.894957
2003	8548771042.660119
2004	12833921420.178345
2005	12471833413.776459
2006	15417941256.191751
2007	20858224058.439613
2008	26220470717.02244
2009	17917945386.693813
2010	18599441134.507244
2011	22563779942.018234
2012	21492658567.997337
2013	23262513959.198627
2014	23603525028.15781
2015	20707751966.30317
2016	21706658602.767757
2017	25206897623.72186
2018	29908529641.72974
2019	31394672460.287197
2020	30146402268.744972
2021	39680103841.66388
2022	47552026633.76194
2023	48411056987.40397