Year	current US$
1962	170841075.9226445
1963	212043824.60609052
1964	176613128.82176745
1965	194223374.9318321
1966	228929496.3707513
1967	241325785.89304096
1968	262662268.14055663
1969	304356269.19350773
1970	336785947.1784386
1971	368968936.7478798
1972	419198222.5533773
1973	564468360.470499
1974	1078590448.559444
1975	1856414002.1044884
1976	2941692126.9447756
1977	2709185262.9485707
1978	2135476614.7265248
1979	2491821464.501085
1980	3336537325.0307407
1981	3937952282.688314
1982	3695130920.7670326
1983	3341475688.825519
1984	3467392248.6335163
1985	3193851654.287815
1986	3268387089.0423193
1987	2993634270.872474
1988	3732911305.757153
1989	4229284632.751537
1990	4576829244.6708355
1991	5045421329.254227
1992	5133321327.239358
1993	4562821030.77359
1994	4369730600.3082075
1995	4239251578.521633
1996	4562032903.265449
1997	4877424160.293314
1998	4615101480.376175
1999	3933969318.41437
2000	3803609034.167629
2001	4311792057.671032
2002	4649664083.460355
2003	5116305434.584586
2004	5839155879.676181
2005	7672043604.396108
2006	8213787071.787643
2007	9703706795.947975
2008	11120930644.929543
2009	11915494045.290728
2010	12755388824.68394
2011	13678642357.866163
2012	15897154676.144709
2013	16960099419.818262
2014	17571302936.87793
2015	15530343979.274954
2016	14216590532.158348
2017	13440719185.35386
2018	14478863019.09054
2019	15577086859.620352
2020	15647742450.346592
2021	15076344036.375696
2022	17998098954.958126
2023	19393758310.04692