Year	current US$
1970	1340000.0333786
1971	990000.009536743
1972	819999.992847443
1973	980000.019073486
1974	2380000.1144409203
1975	3079999.92370605
1976	1610000.01430511
1977	1200000.04768372
1978	2339999.91416931
1979	3210000.03814697
1980	2930000.0667572
1981	2829999.92370605
1982	2890000.10490417
1983	2660000.08583069
1984	3309999.94277954
1985	4679999.82833862
1986	4239999.771118159
1987	4610000.1335144
1988	3549999.95231628
1989	4360000.1335144
1990	3400000.09536743
1991	4269999.98092651
1992	4550000.19073486
1993	4570000.17166138
1994	3609999.89509583
1995	3049999.95231628
1996	3009999.99046326
1997	2720000.02861023
1998	1980000.01907349
1999	1019999.98092651
2000	750000
2001	1159999.9666214
2002	860000.014305115
2003	930000.007152557
2004	889999.985694885
2005	1259999.9904632599
2006	1799999.95231628
2007	1120000.00476837
2008	1019999.98092651
2009	939999.997615814
2010	1110000.01430511
2011	870000.004768372
2012	669589.877128601
2013	695784.628391266
2014	923298.001289368
2015	1068833.82797241
2016	1078661.08417511
2017	949999.988079071
2018	1127022.5048065202
2019	1095999.9561309798
2020	1078999.9961853002
2021	958000.004291534
2022	1189000.0104904198