Year	current US$
1990	7639999.970793719
1991	10839999.85829
1992	11470000.0900775
1993	12949999.988079099
1994	16650000.033900099
1995	28580000.2273172
1996	30259999.9345839
1997	32140000.049024798
1998	36930000.3293902
1999	32480000.0954419
2000	44899999.6930361
2001	35690000.0572205
2002	50079999.9590963
2003	61150000.769645
2004	80519999.5003641
2005	86879999.646917
2006	100539999.477565
2007	129430000.26606001
2008	133909999.623895
2009	132199998.766184
2010	125230001.145974
2011	124589998.51718499
2012	107630000.658333
2013	123489999.06145
2014	137280000.98653102
2015	127020000.291988
2016	121840001.150966
2017	127259999.68498899
2018	155189997.04718602
2019	164449997.814372
2020	148400002.639741
2021	181040003.120899
2022	168329998.02008268