Year	current US$
1981	37300000
1982	48500000
1983	55300000
1984	52600000
1985	70100000
1986	84200000
1987	89000000
1988	94300000
1989	36400000
1990	48100000
1991	26500000
1992	28500000
1993	24600000
1994	34500000
1995	47300000
1996	43100000
1997	50200000
1998	74800000
1999	68548859.48178948
2000	73810388.13781889
2001	109259726.86921386
2002	179311370.11233267
2003	202720336.74
2004	329031513.23
2005	409096422.2762243
2006	482912798.2376654
2007	570524338.3798716
2008	516905092.9554907
2009	415491731.1204238
2010	482769991.96017534
2011	516896793.12007385
2012	647081846.1712642
2013	684941139.1782017
2014	604129792.3630502
2015	685873511.3997712
2016	797904644.6187713
2017	963599452.0289047
2018	1154419371.003156
2019	1228450763.0916257
2020	651190583.6176422
2021	811243026.6247709
2022	1132411175.5212398
2023	1583309052.9613774