Year	current US$
1981	629999.995231628
1982	1419999.95708466
1983	939999.997615814
1984	790000.021457672
1985	1009999.99046326
1986	1500000
1987	2109999.89509583
1990	610000.014305115
1991	-319999.99284744303
1992	550000.011920929
1993	1529999.97138977
1994	709999.978542328
1995	1990000.0095367401
1996	19999.9995529652
1997	1039999.96185303
1998	2839999.91416931
1999	1950000.04768372
2000	2180000.0667572
2001	1879999.99523163
2002	1909999.9666214
2003	1299999.95231628
2004	1269999.98092651
2005	129999.995231628
2006	289999.99165535
2007	860000.014305115
2008	9409999.84741211
2009	1049999.95231628
2010	2819999.9332428
2011	8930000.30517578
2012	15609999.6566772
2013	11409999.8474121
2014	5079999.92370605
2015	7111269.9508667
2016	10643333.435058601
2017	12066785.8123779
2018	13368885.9939575
2019	17966827.3925781
2020	21833248.138427697
2021	15286999.7024536
2022	20368659.973144498