Year	constant 2015 US$
1995	10443779378.192574
1996	11104334534.70351
1997	11730870916.474995
1998	12289611622.57773
1999	12898415769.331245
2000	13785027520.229683
2001	14358196331.962105
2002	15222025345.164448
2003	16951784788.983976
2004	18793887960.543743
2005	20966408508.983192
2006	22879743517.633976
2007	25733844491.861706
2008	26731304347.123814
2009	22082313303.371082
2010	21401998831.791004
2011	22325993400.513268
2012	23014976496.307796
2013	24006857720.75584
2014	24893870005.807796
2015	25903259343.669907
2016	26961236470.03827
2017	27922496248.217957
2018	28936426822.341393
2019	29729820628.708187
2020	28736854300.65311
2021	31074652327.331627
2022	31706413405.305065
2023	31380994383.997643