Year	current US$
1972	19999.9995529652
1983	9999.99977648258
1985	5269999.98092651
1986	14579999.923706101
1987	16530000.6866455
1988	22120000.8392334
1989	58500000
1990	119620002.746582
1991	180449996.94824198
1992	142339996.33789098
1993	152550003.05175802
1994	137100006.10351598
1995	190369995.117188
1996	185919998.168945
1997	165160003.66210902
1998	180830001.831055
1999	178630004.882813
2000	152410003.66210902
2001	109510002.13623
2002	135020004.272461
2003	148380004.882813
2004	175330001.831055
2005	113379997.253418
2006	149330001.831055
2007	220850006.10351598
2008	205490005.493164
2009	331130004.88281304
2010	261329986.572266
2011	278209991.455078
2012	252440002.44140598
2013	261040008.544922
2014	226220001.220703
2015	142380004.882813
2016	170190002.44140598
2017	190449996.94824198
2018	159500000
2019	144259994.506836
2020	180309997.55859402
2021	182589996.33789098
2022	325309997.558594