Year	current US$
1988	329999.9944865705
1989	2619999.960064884
1990	9359999.772161242
1991	3270000.0312179327
1992	7219999.89636242
1993	14839999.62359662
1994	10900000.168010594
1995	6069999.97980893
1996	5009999.958798288
1997	20960000.803694174
1998	17360000.295564573
1999	9969999.939203264
2000	5209999.946877359
2001	5090000.106021758
2002	16789999.90969896
2003	74220000.29869376
2004	108130002.39431855
2005	201259993.41532606
2006	85100000.1039356
2007	79129998.99126592
2008	46420000.55685641
2009	60820000.47154725
2010	157250000.15832478
2011	105749999.62747096
2012	198389999.70816073
2013	291560004.9626079
2014	272590000.346303
2015	267979999.93525445
2016	316079997.882247
2017	340319997.1783904
2018	316690000.18201756
2019	382040000.02145755
2020	372129999.99523175
2021	335869998.33583826
2022	470529995.43957466
