Year	current US$
1960	48269999.8058379
1961	54779999.7199327
1962	33569999.8550117
1963	64100000.7204711
1964	37380000.8296967
1965	99200000.5934387
1966	49430000.8285791
1967	88730000.6225705
1968	87170000.8995831
1969	100550000.712276
1970	131290000.68642199
1971	126500001.842156
1972	182299999.970943
1973	144210001.397878
1974	149270000.547171
1975	155380001.608282
1976	155449999.921024
1977	176780000.53577098
1978	347579996.697605
1979	617569986.348972
1980	708410008.471459
1981	802380001.587793
1982	558899992.398918
1983	465870005.03391
1984	350289997.566491
1985	436220004.606992
1986	573429997.351021
1987	790720010.828227
1988	706820008.032024
1989	655790001.433343
1990	1260169993.9928901
1991	1659859999.95284
1992	2577809983.74708
1993	2662289971.75023
1994	2552659963.7661104
1995	2677619962.8375497
1996	1595010003.60772
1997	1241910010.43469
1998	1240829999.34442
1999	1089189996.52565
2000	889800000.390038
2001	875910000.942647
2002	1225479964.5729399
2003	846049990.8644711
2004	1015879983.90757
2005	3051759988.02856
2006	1406350027.21287
2007	3112810033.8056703
2008	3764910052.3889103
2009	1504380005.97805
2010	1388839996.27456
2011	1968759991.3123999
2012	1620150007.82721
2013	1713180003.94478
2014	2593800009.9472704
2015	2906440004.1271
2016	3587090004.83528
2017	3349040067.28157
2018	4255939950.3935103
2019	2943670026.89466
2020	3983829961.1453
2021	2546549990.97437
2022	3500510016.765447