Year	current US$
1970	10699999.941512939
1971	20519999.945536252
1972	16319999.687373644
1973	30530000.001192097
1974	55220000.24840236
1975	96679999.81716275
1976	71360000.34213063
1977	68789999.7383356
1978	118200000.31590462
1979	138099999.64572486
1980	154810001.82032585
1981	168920001.635328
1982	168750000.3110617
1983	195070002.66015542
1984	241899999.1305171
1985	301170003.55944043
1986	214070000.58330584
1987	236160001.92798668
1988	310939997.5854902
1989	349379997.7488816
1990	422630000.9489059
1991	724839994.3709371
1992	817719988.1672856
1993	750229996.7110159
1994	624960002.6924163
1995	592820007.9575179
1996	215410000.2795458
1997	89919995.79966073
1998	124379999.27997592
1999	168350002.88486493
2000	158149999.55520037
2001	177329998.5527992
2002	169380000.26345253
2003	166639998.86810768
2004	133789999.70853335
2005	184880001.61945832
2006	196319999.45640567
2007	126449999.45163728
2008	172250000.46938667
2009	156829999.49157238
2010	128909998.32004313
2011	136740000.102669
2012	186419787.04929352
2013	170639566.79962575
2014	150001195.40467858
2015	127775535.52389139
2016	142712688.66956228
2017	144900029.3426216
2018	106489378.11702496
2019	127309122.89209662
2020	133018588.43490487
2021	185003089.68126774
2022	169000172.85346976