Year	current US$
1969	5599999.90463257
1970	6230000.01907349
1992	38500000
1993	36840000.1525879
1994	35040000.9155273
1995	41959999.0844727
1996	34330001.8310547
1997	41000000
1998	47000000
1999	43000000
2000	47209999.0844727
2001	46790000.9155273
2002	49090000.1525879
2003	51110000.6103516
2004	57430000.3051758
2005	51419998.1689453
2006	51360000.6103516
2007	51889999.3896484
2008	60900001.5258789
2009	66980003.356933594
2010	70970001.2207031
2011	76620002.746582
2012	84690277.0996094
2013	82112594.6044922
2014	90852828.9794922
2015	101871520.996094
2016	102436607.36084
2017	112643875.12207
2018	97555023.1933594
2019	97807510.3759766
2020	101693885.803223
2021	95120613.0981445
2022	108258903.503418
