Year	current US$
1990	6180000.007152558
1991	6469999.924302099
1992	7800000.058487055
1993	7130000.036209825
1994	9180000.00715256
1995	15320000.04127622
1996	12729999.978095293
1997	14719999.9988079
1998	15059999.983757734
1999	16330000.17888843
2000	26269999.77231027
2001	27940000.012516975
2002	34259999.84703959
2003	37420000.314712524
2004	45869999.81850384
2005	56470000.3303587
2006	67079999.90694223
2007	85950000.32149266
2008	90849999.14839877
2009	91609999.07553191
2010	79129999.96915464
2011	82119999.36029309
2012	79490000.70244068
2013	94469999.47540464
2014	112200000.27306367
2015	98919999.91051847
2016	105300001.17421149
2017	110759999.81909983
2018	131429997.71237376
2019	135599998.44990677
2020	122770001.99258323
2021	154440003.02255154
2022	144059998.00190327