Year	current US$
1970	13848.1106382979
1971	12231.7659574468
1972	15063.4478576137
1973	21587.7951219512
1974	24673.275
1975	30104.5348214286
1976	25018.5375
1977	43978.6285714286
1978	59813.6
1979	54898.8
1980	71673.9375
1981	73629.05
1982	180237.2
1983	122832.285714286
1984	126318.238095238
1985	46075.392
1986	141060.647619048
1987	154028.39047619
1988	163953.847619048
1989	175958.2
1990	187138.6
1991	196379.542857143
1992	173750.169851396
1993	135126.110785493
1994	161146.206896552
1995	258549.006896552
1996	274781.517241379
1997	289175.434482759
1998	421784
1999	186711.545890281
2000	190037.065967647
2001	219430.707692308
2002	252748.65
2003	372618.412204293
2004	374925.143869366
2005	383570.566374199
2006	483862.18686149
2007	461010.641630009
2008	834969.528643523
2009	838946.438004804
2010	1035795.71307182
2011	1223338.53697962
2012	1443856.98245503
2013	1231339.34016879
2014	2029240.04291836
2015	1893209.71627351
2016	1505747.22566345
2017	1907137.61682741
2018	994206.428868772
2019	1371652.50919643
2020	1285112.19583879
2021	1195255.3269661