Year	constant 2015 US$
1960	336400780.59957975
1961	330063967.43362373
1962	329237469.5230854
1963	295624974.288097
1964	308298491.0386859
1965	342334626.51091814
1966	348393622.7127508
1967	323986110.3209262
1968	375591749.2575034
1969	373935639.22015196
1970	411190764.62813115
1971	499225296.88096035
1972	494809620.8976933
1973	449551168.71536726
1974	450930055.21162724
1975	475215376.35796106
1976	526270183.95482683
1977	581463413.9008257
1978	631960128.4696963
1979	703831181.796154
1980	697839422.0911795
1981	1047051955.7014611
1982	957972597.9598941
1983	974569020.267173
1984	1233621989.1339405
1985	1320915186.492229
1986	1544149859.267739
1987	1507090167.9674911
1988	1199643822.0346007
1989	1005301486.5190709
1990	1106836991.3550484
1991	1144469478.055555
1992	922442372.9864206
1993	1246272589.1227448
1994	1854180809.591115
1995	1964342849.9848456
1996	2582728970.5720983
1997	3164056932.416686
1998	2954127547.886603
1999	2943311111.3346906
2000	3648083732.86008
2001	4067225089.6708717
2002	4012211224.1111712
2003	3447084553.900453
2004	3757192372.645087
2005	3930838489.8635974
2006	4078588320.6644945
2007	4682524532.701826
2008	5184910139.666703
2009	4836992138.335455
2010	5528818202.465299
2011	5953870205.988563
2012	6136523042.497959
2013	6870597392.915358
2014	7916593478.2094145
2015	7907933406.685736
2016	7989445407.195361
2017	7893057594.449557
2018	8561597850.392075
2019	9533868575.721092
2020	7908143196.553445
2021	8920657822.749157
2022	9243016222.188005
2023	9487368600.273495