Year	current US$
1989	19999.99955296516
1990	109999.999403954
1991	939999.9864399432
1992	579999.9944865697
1993	579999.9963492148
1994	639999.9856948855
1995	1129999.9672919523
1996	1159999.9740719795
1997	1150000.0096857545
1998	650000.0078231099
1999	549999.9914318329
2000	390000.0024586915
2001	520000.0070035453
2002	629999.9933689837
2003	5139999.935403473
2004	729999.9799579381
2005	880000.0045448539
2006	1609999.988228084
2007	3030000.0347197102
2008	2509999.9569356395
2009	1819999.9909847968
2010	2619999.870657918
2011	2949999.9489635224
2012	2870000.0271201124
2013	2399999.9519437547
2014	3969999.9671429372
2015	5669999.908655876
2016	6690000.0404566545
2017	10349999.826401478
2018	13710000.067949291
2019	13099999.874830242
2020	13189999.878406525
2021	14880000.278353702
2022	11870000.21338463