Year	current US$
1990	7389999.989420175
1991	9449999.891221523
1992	8160000.02622604
1993	10240000.018849967
1994	13159999.953582883
1995	17140000.017359857
1996	14090000.025928017
1997	18929999.86931681
1998	20149999.950081106
1999	21930000.14312564
2000	32179999.753832832
2001	35109999.84480441
2002	42969999.62627888
2003	46240000.3708899
2004	57619999.770075075
2005	65910000.75265761
2006	78640000.08814035
2007	105100000.40940951
2008	117609999.23944488
2009	108699998.78108498
2010	102700000.28237703
2011	109649999.82342118
2012	105190001.25117591
2013	120209999.55944715
2014	135210000.6137042
2015	121250000.01676372
2016	126500001.04308127
2017	141200000.01043072
2018	177429997.45905408
2019	175619998.048991
2020	163000002.2649764
2021	193010004.0435791
2022	196739998.14689162