Year	current US$
1970	570000.002160668
1971	610000.0012665986
1972	459999.99903142435
1973	570000.0002980225
1974	1159999.99269843
1975	2089999.983087181
1976	2279999.9639391904
1977	2199999.9806284904
1978	3300000.0212341524
1979	5549999.980255956
1980	5760000.0221282225
1981	4559999.996796251
1982	4049999.989569187
1983	5550000.015646226
1984	5760000.03702939
1985	5550000.019371505
1986	5699999.993667007
1987	7960000.019520522
1988	8399999.989196654
1989	11549999.929964546
1990	17789999.868720762
1991	17860000.02175569
1992	20369999.88555907
1993	29249999.701976776
1994	23720000.207424186
1995	22840000.182390217
1996	21350000.03688037
1997	20710000.29146672
1998	20960000.056773435
1999	17429999.943822622
2000	14020000.070333473
2001	16719999.969005581
2002	17439999.967813488
2003	17389999.836683266
2004	18250000.059604637
2005	21290000.081062302
2006	17900000.09536743
2007	23929999.947547913
2008	17530000.030994423
2009	22000000.059604637
2010	18990000.069141388
2011	19550000.071525585
2012	20811860.054731365
2013	25440932.631492607
2014	29019425.928592693
2015	25330224.821169395
2016	27682423.26844484
2017	25463900.208473194
2018	34002955.67512512
2019	37352000.11730197
2020	35706000.56648254
2021	32971000.790596
2022	32726999.759674095