Year	constant 2015 US$
1995	29455532798.48043
1996	29699788307.424664
1997	32445237860.129795
1998	32326076686.41207
1999	31745342929.767555
2000	32448269457.576614
2001	33429909009.915604
2002	36408282971.28504
2003	37865869675.92619
2004	39487333838.52562
2005	41138603383.752716
2006	42197462351.895645
2007	44474569708.21264
2008	45603297766.46582
2009	42807997496.9683
2010	42262732010.291725
2011	42802010746.61575
2012	41880409560.782295
2013	41462660336.600075
2014	40863615505.038795
2015	40924971513.59082
2016	41984332530.42526
2017	43191463175.14454
2018	44508386598.57296
2019	46160329832.121574
2020	44883301139.34541
2021	48620121223.95587
2022	51304806020.590096
2023	52820949021.80943