Year	current US$
1970	86080000.33535062
1971	73489999.78229408
1972	79860001.50442126
1973	72779999.69571833
1974	73859997.93745576
1975	82730000.35248695
1976	105279999.3176013
1977	98159999.60526824
1978	158929999.04416502
1979	263730002.50011683
1980	291170001.0504575
1981	307860003.00757575
1982	246899998.02410603
1983	207750000.44889754
1984	180099998.39216468
1985	194840002.33188254
1986	211840000.84176663
1987	272540000.1443922
1988	426860000.34399325
1989	489850001.068786
1990	370389993.2838977
1991	556690005.7736784
1992	470709995.30702865
1993	339700004.5478344
1994	429979997.748509
1995	403950003.6928803
1996	489320005.5081397
1997	471309996.79118407
1998	596290006.0042747
1999	539879991.7753786
2000	918350009.0241431
2001	934420006.6532941
2002	761200003.7692492
2003	1231319999.2477894
2004	2112039989.143611
2005	4878519913.256173
2006	5284810005.98148
2007	1994710012.9686284
2008	2494189994.338901
2009	2008530022.408812
2010	2090169989.269228
2011	2498969964.796677
2012	2569780052.1403546
2013	2605780025.893822
2014	3163710011.8566303
2015	3173840020.8987303
2016	2730820008.534939
2017	2760470036.2868605
2018	2631770009.314641
2019	2690610006.0325117
2020	2277509997.8242083
2021	1604219999.3804114
2022	1284160007.8009074