Year	constant 2015 US$
1990	1752367822.3971803
1991	1751123472.526417
1992	1765896783.7270353
1993	1798139399.129412
1994	1843109504.2371764
1995	1894527440.1522405
1996	1759091888.2663915
1997	1792835264.230512
1998	1793909529.8483076
1999	1837382441.3061593
2000	1885327317.051835
2001	1968445194.3980305
2002	2012271033.2433236
2003	2002468148.219895
2004	2097037328.7505548
2005	2253820206.5480776
2006	2342661623.890939
2007	2445496964.608436
2008	2516334037.253775
2009	2652778247.801179
2010	2722529868.6495204
2011	2891947128.0488772
2012	2994790429.874072
2013	3218686981.9006867
2014	3463829458.428612
2015	3731245520.788055
2016	3876699340.9524856
2017	4031323810.1726465
2018	4232966113.7726674
2019	4528464897.019003
2020	4625282462.526647
2021	4872878683.29696
2022	5111023593.447232
2023	4895483540.482989