Year	constant 2015 US$
1982	22840.171317812234
1983	24227.131503103796
1984	25294.489404348715
1985	24495.933225031757
1986	25106.539829258163
1987	27561.719334125322
1988	28554.246925311905
1989	28845.963901783223
1990	30001.48211715176
1991	30055.559085312507
1992	33139.98746955098
1993	34094.77448133326
1994	34807.30428396555
1995	35241.71680164136
1996	34429.52283376841
1997	33716.07493325705
1998	31631.242624222203
1999	30395.95023943957
2000	31668.02198559952
2001	32046.558493002216
2002	34083.77426927301
2003	36992.72404892762
2004	45563.78680507884
2005	47924.15917531659
2006	52907.22608440444
2007	58983.69870695311
2008	59403.87000097093
2009	58611.75032296226
2010	71457.9169903019
2011	84818.7166340753
2012	90787.60867758383
2013	98752.22892044093
2014	95001.48220410924
2015	73220.63555516613
2016	71394.86114414607
2017	76970.26821190378
2018	80342.58757736816
2019	76789.40657699277
2020	34410.34579979425
2021	41869.83924059494
2022	32503.60383023822
2023	57931.69637560441