Year	current US$
1991	187030000.09059906
1992	272480000.15318394
1993	185149996.93445843
1994	116879999.15517871
1995	217049998.94090012
1996	72949999.30448829
1997	38609999.964013696
1998	24859999.93421138
1999	21519999.802112572
2000	16539999.933913356
2001	25360000.085085627
2002	27410000.065341603
2003	21199999.783188105
2004	32120000.137016226
2005	45500000.011175856
2006	62600000.983104065
2007	73189999.30657442
2008	96899998.25507401
2009	89399999.61480497
2010	114669999.05370183
2011	100099997.58191405
2012	83029999.64728954
2013	85720000.22418785
2014	101020001.55299903
2015	89430000.90494749
2016	84200000.12964015
2017	108499996.913597
2018	101700001.88983974
2019	186030000.05520844
2020	300770003.0095877
2021	105850000.19893049
2022	-11369999.645278282