Year	current US$
1970	42499999.774619974
1971	50249999.52130018
1972	61990000.477060676
1973	67760001.2756885
1974	64509999.87684184
1975	66880000.397563025
1976	59720000.57995324
1977	67489999.094978
1978	74429999.01250008
1979	92780001.36464839
1980	143299997.28314576
1981	81360000.7444621
1982	70170000.42088327
1983	51489999.34829768
1984	43529999.77581202
1985	65220002.12594867
1986	111829998.30879271
1987	76239999.35761091
1988	128070000.95397241
1989	112220000.1757592
1990	129009999.42980708
1991	108440000.82090487
1992	157170002.15873125
1993	173860005.19618395
1994	163800002.24709505
1995	126499998.8842756
1996	133630003.95894055
1997	137720001.5187263
1998	125800001.2729317
1999	126280000.1502037
2000	162610002.8753282
2001	129060002.34559177
2002	127619999.15540218
2003	112869998.48484984
2004	204210000.2765656
2005	217820001.76608562
2006	285589997.045696
2007	362999996.39391875
2008	541349991.6549765
2009	385720003.58998764
2010	276259996.9040601
2011	165530001.0163338
2012	207749999.24190345
2013	280580007.882789
2014	236680004.02301502
2015	336510004.37513006
2016	273369991.84638274
2017	299580002.14770406
2018	312070008.6653232
2019	358180007.08892936
2020	334589990.00489694
2021	277600003.2499433
2022	139249997.9510903