Year	current US$
1989	51189999.5803833
1990	72419998.1689453
1991	122639999.4269013
1992	189869992.7888813
1993	128590002.7845055
1994	131520001.54368578
1995	117580000.93325967
1996	95620000.7274747
1997	117360002.17124815
1998	83799999.4941056
1999	80080001.71557072
2000	58960001.023486294
2001	62359998.894855395
2002	54799999.48292973
2003	48430001.039058045
2004	52840000.27924778
2005	56490000.164136365
2006	60890000.071376525
2007	65199999.71240761
2008	76650000.75288124
2009	122380000.55588785
2010	170260002.348572
2011	266340001.58682436
2012	114219997.36689028
2013	93989999.11360449
2014	79019999.72201885
2015	60000000.31478705
2016	61620001.211762466
2017	50749999.72805379
2018	61469999.514520116
2019	63519999.73878268
2020	73249997.77227642
2021	68340000.65736473
2022	74120000.3717094