Year	constant 2015 US$
1994	4679386583.303004
1995	5163948582.901348
1996	5601319383.479746
1997	5930864395.028213
1998	6295888526.62096
1999	6742563999.5994
2000	7033317180.81253
2001	7198741178.023752
2002	7301153617.541197
2003	7508232099.731076
2004	7947266185.982885
2005	8373484285.761604
2006	8656138754.180153
2007	9146987218.822212
2008	9463511706.21441
2009	9101346415.64001
2010	9526626836.829586
2011	10133529464.654314
2012	10656063430.717258
2013	11077662568.287601
2014	11735653393.918993
2015	12267705688.121864
2016	12680248163.798674
2017	13210134978.923819
2018	12809379810.11644
2019	12621946734.511345
2020	11993387158.376524
2021	13298428343.57122
2022	13705524117.808012
2023	14619590775.857315