Year	current US$
1992	750000
1994	340000.00357627904
1997	900000.0357627871
1998	829999.983310699
1999	1329999.9833107
2000	2179999.94754791
2001	3399999.976158135
2002	3120000.094175344
2003	3939999.9976158077
2004	4740000.009536739
2005	8580000.07271766
2006	14220000.043511396
2007	16099999.859929074
2008	18090000.1525879
2009	13599999.845027924
2010	11860000.036656855
2011	10649999.741464859
2012	10660000.123083593
2013	14370000.034570701
2014	12919999.897480011
2015	12530000.269412996
2016	13530000.075697903
2017	13509999.91595745
2018	24639999.24436211
2019	19269999.973475926
2020	18120000.038295988
2021	21839999.809861183
2022	27900000.40642918