Year	current US$
1988	660000.0113248825
1989	399999.99292194843
1990	389999.9968707563
1991	7340000.014752149
1992	11050000.08270144
1993	17959999.86119568
1994	25080000.18261373
1995	17949999.85210598
1996	13620000.008493658
1997	33290000.764653128
1998	50319999.402388945
1999	52019999.62516123
2000	23510000.20280477
2001	18750000.38556752
2002	58209999.46258968
2003	96110000.29370184
2004	112390000.40478997
2005	165030000.20980832
2006	113860000.10743746
2007	151529996.47520489
2008	160699999.10332263
2009	170289998.27988443
2010	380690001.42067677
2011	384049995.9774315
2012	487290002.50622624
2013	573470004.7504153
2014	631439994.4748731
2015	664299995.0461091
2016	672299998.925999
2017	713810000.9094921
2018	750880001.9528716
2019	875429991.6401505
2020	810989998.6162779
2021	965650002.0250678
2022	913349988.4735798