Year	current US$
1992	2336492354.47709
1993	2384838358.0525765
1994	1697049746.3090177
1995	1734746407.7875109
1996	1754303327.1789055
1997	1847404780.973031
1998	1695661915.4256516
1999	1492937778.249916
2000	1421447255.2838058
2001	1462434749.090488
2002	1709523909.4768546
2003	2059597732.943696
2004	2630406312.042766
2005	3233490752.842702
2006	3682543306.1598005
2007	4131589700.851793
2008	5360835664.389336
2009	5596703562.770032
2010	6800055297.116182
2011	7804616227.718078
2012	8968494800.465675
2013	10360127535.685076
2014	10656890125.95748
2015	9330369343.183943
2016	8888973951.261826
2017	9103276123.366806
2018	10426312297.148088
2019	11973406929.85174
2020	11501635279.244217
2021	13675309065.888693
2022	13965458391.431458
2023	15192194241.223076