Year	current US$
1970	25612.5294173271
1971	21523.9455356155
1972	23171.0812884439
1973	40025.661342066
1974	45011.2387956125
1975	62144.2285714286
1976	50203.2
1977	87419.7219512195
1978	87372.5448405253
1979	99318.0821763602
1980	111468.269767442
1981	99318.24
1982	210817.688888889
1983	71091.0385404297
1984	41161.5319148936
1985	25892.7428571429
1986	25592.9142857143
1987	24673.6285714286
1988	24396.4285714286
1989	24656.6571428571
1990	85588.1142857143
1991	101175.663157895
1992	94987.2019830608
1993	72770.3289667559
1994	87721.0123858071
1995	110592.256058897
1996	80714.0190004504
1997	114821.667450154
1998	99138.8178500105
1999	84471.647066607
2000	83091.3980882845
2001	82577.2213166144
2002	73766.1990147783
2003	78311.8952899119
2004	80889.3502434246
2005	78804.2997925194
2006	111927.094725791
2007	114046.465890037
2008	119697.260512238
2009	107530.521992077
2010	242739.541124941
2011	206564.471729155
2012	201455.580455674
2013	268768.252817998
2014	338890.07503947
2015	256675.476290284
2016	347088.431253044
2017	291784.411775186
2018	193194.923691678
2019	173835.702043589
2020	233397.664212638
2021	183255.998809495