Year	current US$
1990	7359999.988228082
1991	10039999.879896643
1992	8330000.028014178
1993	12010000.057518484
1994	15439999.96222555
1995	18290000.03822148
1996	17940000.109374516
1997	21249999.959021796
1998	25329999.934881918
1999	31750000.286847338
2000	39109999.85039235
2001	38959999.71963465
2002	46199999.678879976
2003	53470000.49613416
2004	66199999.60437416
2005	76260000.86031848
2006	89549999.94300304
2007	120650000.77895837
2008	135089998.62521896
2009	130929998.99201089
2010	123399999.94635586
2011	130389999.2983788
2012	132410001.60761166
2013	153079999.787733
2014	162530000.4854797
2015	140470000.1105665
2016	150170000.71704385
2017	167999999.89569178
2018	201999997.09054828
2019	192249998.00696972
2020	173540002.17467538
2021	208500003.9488077
2022	213229998.29053882