Year	current US$
1995	2612996864.763113
1996	4070462856.6785316
1997	3769573104.9574795
1998	4494247877.1197
1999	3559700734.371956
2000	3940729882.1870337
2001	4212145549.4285088
2002	4675536053.703111
2003	6385348997.498747
2004	8348808080.872002
2005	8463551487.067466
2006	10070162668.790348
2007	12055679951.84756
2008	12886792232.815548
2009	10808096730.514326
2010	10513671293.012293
2011	10657523899.45643
2012	8954908829.65192
2013	10306789949.28499
2014	10812817719.84896
2015	11608784096.2643
2016	11691152111.581347
2017	13696290385.174866
2018	14978068272.252502
2019	15392562635.316242
2020	13335423002.825886
2021	16397953160.564867
2022	17237684716.045017
2023	19855901464.178204