Year	current US$
1976	2785190.169463516
1977	3519384.0214470476
1978	5235551.639439641
1979	7690303.42747507
1980	10873051.259787703
1981	13206807.681801448
1982	12605794.819781393
1983	14126042.719162745
1984	14209079.162420824
1985	16315470.556252422
1986	19265664.11820246
1987	24410679.413315125
1988	29794372.39287632
1989	28747455.81473531
1990	37212614.06434447
1991	40515696.949393004
1992	51601944.59087448
1993	50081703.619372874
1994	55124807.152181655
1995	64344064.34406435
1996	65011368.43799674
1997	80933609.37238255
1998	91617415.10043518
1999	94225549.836219
2000	118117188.56239183
2001	111787504.04179774
2002	127371495.75559126
2003	115392085.9026681
2004	64273527.27272727
2005	80359836.36363636
2006	91103054.30085592
2007	98950554.09144224
2008	89889791.34828195
2009	66301504.63558252
2010	77905960.48627761
2011	77886116.4400512
2012	89283087.58204064
2013	96466139.52094385
2014	100858223.24300878
2015	83916005.23512037
2016	96728979.85654755
2017	95178160.7671015
2018	102861301.50440112
2019	93861087.06108706
2020	92288448.13211963
2021	97644753.6521182
2022	112606185.4037699
2023	119149377.54452081
