Year	current US$
1982	9354780.197
1983	7145181.656
1984	8468008.041
1985	8735109.329
1986	8022562.027
1987	8462800.026
1988	8009553.908999999
1989	7319442.749
1990	8211442.947
1991	9058620.453
1992	14089256.29
1993	12043372.15
1994	18119056.7
1995	6128563.70547035
1996	35570316.31
1997	15528985.02
1998	7780195.75224119
1999	9620368.63397477
2000	13506730.1383787
2001	18430385.563685
2002	4097122.9251204
2003	3995373.32551246
2004	4930017.20673884
2005	5097613.24600868
2006	4989726.63837341
2007	5543183.07223854
2008	8906629.69882102
2009	11492043.7226794
2010	11768615.4379827
2011	21765886.4921385
2012	22036537.5309313
2013	23710130.9121371
2014	41582775.9460642
2015	39654028.9776485
2016	48844418.7853362
2017	85971123.5421464
2018	115164924.987932
2019	152097662.591902
2020	127079100.133247
2021	199830319.803686
2022	197828510.730493
2023	176600000