Year	current US$
1989	139999.99687075627
1990	89999.99798834324
1991	4960000.01952052
1992	7670000.059530135
1993	11709999.958053233
1994	10759999.93085861
1995	10829999.80635941
1996	8059999.976307152
1997	10230000.11593103
1998	4149999.9873340107
1999	1779999.9639391892
2000	1739999.9778717754
2001	2700000.006705522
2002	11290000.196546316
2003	42810001.09203158
2004	49830001.050606325
2005	38639999.93726606
2006	25300000.075250857
2007	54829999.50833618
2008	80200000.230223
2009	78609999.74049631
2010	191759999.30687246
2011	137950000.67353246
2012	292410000.3764033
2013	366890004.3200698
2014	399149994.6527184
2015	403210003.6665797
2016	462819998.15627944
2017	453980002.87078303
2018	463530004.40262234
2019	497590001.3707578
2020	412970002.770424
2021	489379999.3842841
2022	541049992.7811327