Year	current US$
1965	99160002.4942309
1966	105020002.774894
1967	128269998.226315
1968	126179999.15219799
1969	132950000.297278
1970	161640001.224354
1971	159119999.20755598
1972	215849995.752797
1973	218969999.51452
1974	335909994.689748
1975	370520001.349971
1976	265970006.64100102
1977	290719995.28817797
1978	336150004.705414
1979	361120001.405478
1980	367620009.990409
1981	416169997.092336
1982	404220010.796562
1983	383170012.120157
1984	391420001.83090603
1985	303460005.924106
1986	300130008.55594903
1987	302229992.71191704
1988	347270002.33531
1989	414470004.266128
1990	435599989.857525
1991	411560007.10837495
1992	407959997.387603
1993	383179996.807128
1994	432899994.842708
1995	473760002.93158
1996	495689997.35266
1997	439840004.555881
1998	461849992.316216
1999	395870003.281161
2000	488300010.06461704
2001	394830003.654584
2002	418350002.49929696
2003	491150007.912889
2004	632230000.125244
2005	702610008.452088
2006	727859998.175874
2007	909160016.153008
2008	1046959984.5893699
2009	1060220005.27196
2010	1606690003.1548
2011	1815989995.09774
2012	2004900010.1126702
2013	1772810001.20193
2014	1565410007.64631
2015	1312450017.10393
2016	964579997.537658
2017	1148279985.60481
2018	1119260009.24595
2019	1072850016.37787
2020	988539990.870282
2021	1549489978.4792202
2022	1388109998.6620245