Year	current US$
1989	17870000.913739163
1990	24960000.76271598
1991	4339999.9402463455
1992	70000.00029802331
1993	529999.9974668025
1994	3289999.9711662526
1995	13190000.364556953
1996	23999999.28101898
1997	8540000.259876242
1998	6859999.960288408
1999	5140000.108629467
2000	-179999.95127320255
2001	10770000.083371999
2002	19789999.51109292
2003	-9949999.35477974
2004	26859999.30649998
2005	38679999.642074145
2006	36380000.53167346
2007	88819999.35209759
2008	127430001.02043143
2009	212390004.11331666
2010	99980002.62677674
2011	74809998.61098829
2012	38040000.35673378
2013	23899999.52353534
2014	11289999.986067422
2015	1740000.069141396
2016	3700000.0178813953
2017	6990000.199526552
2018	7729999.899864188
2019	7929999.954998495
2020	6029999.7925758455
2021	16859999.848529696
2022	30719999.678432982