Year	current US$
1983	33580000000
1984	33567142857.142857
1985	26208333333.333332
1986	29123404255.31915
1987	29979439252.33645
1988	35539428571.42857
1989	23716397789.0112
1990	37867958465.01869
1991	46265967383.32459
1992	50009084512.87145
1993	43181479379.37938
1994	45873469700
1995	44502096300
1996	47723427100
1997	53382062500
1998	53326264700
1999	48089824700
2000	46877339400
2001	43241974900
2002	19884659444.75708
2003	28690164511.421104
2004	31181294718.620594
2005	36449209845.79694
2006	41576107685.810814
2007	49016520323.11835
2008	59795791835.70777
2009	51890313730.72202
2010	67123175368.37811
2011	84033764932.58136
2012	83081051122.83969
2013	82864793306.40508
2014	77752039861.15262
2015	84344878153.77855
2016	75200104206.65157
2017	82610787771.5883
2018	73790429479.38907
2019	60629741137.99209
2020	56281582711.346725
2021	76959010333.87022
2022	101317937463.49045
2023	104385880648.93779