Year	current US$
1990	270000.010728836
1991	219999.998807907
1992	280000.001192093
1993	569999.992847443
1994	730000.019073486
1995	829999.983310699
1996	490000.009536743
1997	1019999.98092651
1998	850000.023841858
1999	639999.985694885
2000	1070000.05245209
2001	1000000
2002	519999.980926514
2003	1220000.02861023
2004	1139999.98569489
2005	1210000.03814697
2006	1830000.04291534
2007	1539999.96185303
2008	2170000.07629395
2009	1870000.00476837
2010	2089999.9141693101
2011	2849999.90463257
2012	2599999.90463257
2013	1429999.94754791
2014	1860000.01430511
2015	1700000.04768372
2016	959999.978542328
2017	699999.988079071
2018	1450000.04768372
2019	1340000.0333786
2020	509999.99046325695
2021	1279999.97138977
2022	899999.976158142