Year	current US$
1995	1432955779.538889
1996	1348685417.0226972
1997	1374189762.7123594
1998	1234988488.2978432
1999	1349387976.8273995
2000	1507706347.535554
2001	1831093302.2518373
2002	2170076021.895931
2003	2411935208.762573
2004	3940666351.3734026
2005	4512646525.631798
2006	5026774560.339701
2007	6601093473.752584
2008	7548902416.039174
2009	8057968288.331058
2010	11355525611.382328
2011	7688657792.666044
2012	8932397339.924612
2013	9370763421.962221
2014	9850364367.460962
2015	8488774696.701761
2016	8614503881.667728
2017	8999448387.809036
2018	11679698812.725431
2019	11751847677.416208