Year	constant 2015 US$
1980	41189523.38128551
1981	42781467.016130455
1982	45512473.76954553
1983	47706643.54679661
1984	49667511.240412
1985	50800116.169576444
1986	51748662.706640676
1987	52596300.03692388
1988	54009836.19688912
1989	52291957.87221038
1990	54954346.3658729
1991	51989230.19224651
1992	56424391.72904594
1993	58120473.683261
1994	55053640.92096619
1995	57041148.65154404
1996	56304366.32416943
1997	58573620.52068138
1998	59324925.98715193
1999	60466410.903199
2000	67025856.384460635
2001	68589521.11747412
2002	70184080.37210277
2003	71660826.15188731
2004	73036428.420091
2005	75108764.56172374
2006	77096821.28021906
2007	73049734.5803238
2008	79867964.18971121
2009	89443057.53762671
2010	89965331.30239254
2011	92640416.82772179
2012	93827683.09108905
2013	92281020.28970595
2014	101084616.2906134
2015	102320934.45746957
2016	107334367.00358403
2017	113709198.24605624
2018	113709198.24605624
2019	117695450.7887427
2020	122539579.22913747
2021	124320805.58441204
2022	126554113.47344609
2023	127554541.16687435