Year	current US$
1970	7863240
1971	32212670.54512
1972	34283304.99776
1973	39084458.46656
1974	44698958.02528
1975	14750400.8
1976	20817360.9
1977	23311680.8
1978	27681120
1979	30808799.1
1980	34901599
1981	36709202.2
1982	98993240.48
1983	101879693.232941
1984	106474714.991008
1985	111175888.89097
1986	110310114.532721
1987	115751133.127547
1988	122814415.523086
1989	128296072.653982
1990	141541688.268109
1991	154211319.921698
1992	172204455.052894
1993	198220056.718147
1994	228993819.794544
1995	176521142
1996	216044940.337548
1997	229590849.581637
1998	247794177.7
1999	266250747.4
2000	292908423.58
2001	320849457.119994
2002	345542128.4
2003	355135943.94
2004	366831468.885
2005	392132520
2006	429521412
2007	465209550
2008	600086344
2009	618757095
2010	565946836
2011	619464510
2012	725334925.336419
2013	764199555.709849
2014	806765552.741615
2015	859370782.268705
2016	860383097.613733
2017	855656808.725271
2018	875418717.383145
2019	856193200.884155
2020	779356518.549652
2021	908915041.694369