Year	current US$
1990	1530000.0272691245
1991	2470000.03606081
1992	2130000.026896595
1993	1909999.9740719798
1994	1890000.0154972076
1995	2639999.922364946
1996	2500000.031664963
1997	3380000.0082701487
1998	4030000.1222640257
1999	4120000.1221150127
2000	2319999.9649077603
2001	1020000.0144541259
2002	3240000.035613779
2003	2820000.0096112504
2004	1609999.9882280827
2005	1369999.974966049
2006	1809999.942779538
2007	2400000.009685755
2008	2549999.982118606
2009	2569999.925792219
2010	2460000.023245808
2011	3330000.005662441
2012	2469999.9950826163
2013	2309999.987483027
2014	1340000.029653311
2015	1110000.0292062766
2016	5829999.908804896
2017	1680000.0015646226
2018	3779999.9006092562
2019	2759999.9904632596
2020	1089999.9737739558
2021	910000.0057369466
2022	720000.0062584872