Year	current US$
1962	158326821.14865032
1963	161150656.64754146
1964	176083143.06127673
1965	192891328.42511702
1966	207878337.0207403
1967	226840198.3031475
1968	256651203.13082385
1969	277636545.2399598
1970	288176923.58726364
1971	317339780.0961151
1972	379962629.7794293
1973	491411980.31308424
1974	631360611.3593016
1975	770488106.7500376
1976	762703507.9102923
1977	733541235.6259392
1978	822173401.3605869
1979	1056930933.7082891
1980	1471072610.9449441
1981	1994651425.3304403
1982	2305277017.6613746
1983	2093825204.6741233
1984	2123882360.1462102
1985	2036069432.0917404
1986	2067620278.6090035
1987	2285500045.037019
1988	2076243237.9454484
1989	2164497352.8412747
1990	2184433376.713371
1991	2336440013.7594967
1992	2642413873.506564
1993	2334475007.2967515
1994	2000467563.9765005
1995	1297162549.5828085
1996	1301256535.936629
1997	1690781316.9348376
1998	1705750317.028352
1999	1496713469.6732934
2000	1768073607.128248
2001	2029573755.133464
2002	2231131457.977155
2003	2369567661.4838834
2004	2697315749.9793935
2005	4053527151.7318187
2006	5976308671.918834
2007	6587426915.175444
2008	8615060647.443403
2009	10311878921.355165
2010	11771121124.569246
2011	11915392293.693937
2012	15782493421.591707
2013	17313490446.473804
2014	18910480124.09736
2015	15680036450.987309
2016	11826831604.80614
2017	9326600455.232134
2018	11333708128.069202
2019	12270544187.828869
2020	12850227368.449944
2021	12969669098.36266
2022	13696918302.181807
2023	15080877239.132542