Year	current US$
1970	920000.016689301
1971	2079999.9237060498
1972	1309999.9427795399
1973	280000.001192093
1992	550000.011920929
1993	12000000
1994	17709999.084472697
1995	15920000.076293899
1996	29819999.6948242
1997	25020000.4577637
1998	12720000.2670288
1999	8399999.61853027
2000	7090000.15258789
2001	11369999.8855591
2002	12109999.6566772
2003	60729999.5422363
2004	137830001.831055
2005	44459999.0844727
2006	218309997.55859402
2007	86069999.6948242
2008	38009998.3215332
2009	57310001.373291
2010	54099998.4741211
2011	13350000.3814697
2012	91580001.8310547
2013	84300003.0517578
2014	80629997.253418
2015	112190002.441406
2016	200619995.117188
2017	188240005.493164
2018	273760009.765625
2019	232119995.117188
2020	272269989.013672
2021	195449996.94824198
2022	78279998.7792969