Year	current US$
1970	2450000.047683719
1971	1739999.9611079646
1972	3780000.008642671
1973	3340000.059455636
1974	9229999.899864195
1975	13380000.360310081
1976	13229999.989271158
1977	31060000.33020974
1978	35819999.62590636
1979	41789999.4775653
1980	47189998.48328523
1981	47880000.017583415
1982	37139999.00780622
1983	29350000.539794616
1984	42149999.13237987
1985	29610000.25272366
1986	58579999.57352874
1987	56300000.95814468
1988	57709998.361766346
1989	64059998.83636829
1990	86540000.90062621
1991	43810000.00052151
1992	97840000.05945562
1993	72959999.37877049
1994	73600000.1076609
1995	104789999.87989667
1996	90689998.48514786
1997	141790001.83753666
1998	95119999.9451637
1999	62770000.552758664
2000	56079999.741166815
2001	76169998.82832164
2002	79439998.4329939
2003	126429996.01364133
2004	201530002.87711638
2005	170820000.5218387
2006	58119999.714195654
2007	54380000.43481581
2008	148829996.8242646
2009	62660001.385956936
2010	48020000.45403844
2011	32820000.555366263
2012	62740000.58323148
2013	89310000.64313409
2014	94540000.02890813
2015	189939998.9433587
2016	170949999.68633068
2017	186650001.58548355
2018	284400000.1847744
2019	103150000.54240236
2020	156779999.85218042
2021	124599999.9828637
2022	135710000.66399568