Year	current US$
1969	43799999.7138977
1970	47929998.8746643
1978	109559997.558594
1979	136160003.66210902
1980	156919998.168945
1981	170190002.44140598
1982	234699996.94824198
1990	292540008.544922
1991	308119995.11718804
1992	305980007.171631
1993	299329999.923706
1994	329210000.991821
1995	348389999.38964796
1996	236780000.68664598
1997	263520000.457764
1998	298000000
1999	286000000
2000	300780006.408691
2001	359369997.024536
2002	392200010.29968303
2003	430060009.002686
2004	448780012.130737
2005	350109992.980957
2006	371809997.558594
2007	388440000.53405803
2008	473190010.070801
2009	472830005.645752
2010	544969993.5913091
2011	607940002.441406
2012	667344253.540039
2013	538640365.600586
2014	680100343.704224
2015	771379474.639893
2016	716534053.80249
2017	892903842.926025
2018	759275669.0979
2019	765022006.988525
2020	774581981.658936
2021	727358493.804932
2022	851476039.8864746