Year	current US$
1972	1499999.9944120643
1973	1259999.9923259015
1974	1320000.0002980228
1975	8320000.108331448
1976	2930000.031366945
1977	1640000.0043213367
1978	1530000.0123679636
1979	1060000.0023841863
1980	1280000.0123679643
1981	690000.0050663941
1982	349999.99590218026
1983	169999.99806284896
1984	129999.9970942736
1985	189999.99761581412
1986	480000.0004470345
1987	539999.9935179945
1988	319999.9965727326
1989	539999.9991059296
1990	700000.0029802318
1991	389999.9950081111
1992	410000.000149012
1993	689999.9976158139
1994	1359999.9938160172
1995	2289999.961853026
1996	2079999.9795854092
1997	3489999.983459712
1998	2129999.952390791
1999	3279999.995604158
2000	3269999.995827675
2001	3659999.959170821
2002	5409999.95172024
2003	5419999.927282327
2004	15260000.243782964
2005	20080000.430345535
2006	8740000.009536743
2007	11350000.023841862
2008	14210000.149905682
2009	11949999.7459352
2010	8230000.160634518
2011	12359999.746084202
2012	19629999.876022357
2013	10379999.861121174
2014	6590000.085532666
2015	8140000.034123654
2016	7249999.992549425
2017	8030000.153928991
2018	2749999.9906867784
2019	4780000.014230607
2020	3640000.1086294637
2021	7289999.805390831
2022	7730000.026524071