Year	current US$
1960	2723615451.3009768
1961	2434747055.940175
1962	2001444543.9188507
1963	2702982017.6380277
1964	2909316435.287398
1965	3136284306.8546867
1966	3039859187.4516416
1967	3370870376.296824
1968	3852147026.773019
1969	4257253264.088344
1970	4863526896.574075
1971	5077183093.889678
1972	6766743956.8888855
1973	8707858912.12481
1974	13209871625.904444
1975	15557902754.033009
1976	17728240932.315838
1977	20972113684.955814
1978	26364491313.447136
1979	33243706859.659607
1980	42345829079.206245
1981	44348590460.92876
1982	45207167470.34967
1983	48801369800.36752
1984	53698548293.07447
1985	57937868670.193726
1986	63692007897.383354
1987	66745818375.492966
1988	59089396860.43423
1989	55634721572.734276
1990	62048507531.33572
1991	45715676428.276596
1992	48003133346.995735
1993	49945584452.65057
1994	42543176828.923744
1995	41764291671.77111
1996	46941554225.35815
1997	48177612042.15065
1998	48187781984.48805
1999	48640671734.971115
2000	54790398570.328224
2001	59413400923.63635
2002	61516103406.16878
2003	73482264190.92455
2004	91913680985.17082
2005	107046618669.707
2006	123084258693.00974
2007	142482739809.84927
2008	180383848331.13458
2009	150317292079.35913
2010	177785053939.53052
2011	218331946925.30356
2012	227143746075.93402
2013	229701430292.1566
2014	238942664192.59
2015	187493855609.34464
2016	180763839522.15082
2017	189880896903.0733
2018	194554483655.52774
2019	193459662090.67682
2020	164873415325.20148
2021	186265418570.69662
2022	225560256621.7572
2023	239899491127.74237
