Year	current US$
1980	1919.9802899554606
1981	1734.4825802821872
1982	1881.6261960886686
1983	1832.0149873779978
1984	2090.237157209675
1985	1996.1592952584308
1986	1938.1827503943252
1987	2201.9529989112975
1988	2488.1101810030773
1989	2451.009051743451
1990	7410.955215289782
1994	145.74898009582986
1995	465.799075637473
1996	360.952007293166
1997	678.3890264407183
1998	661.8251645341867
1999	1214.2718239082012
2000	1520.4461305502716
2001	1045.3678466300248
2002	924.4830838575218
2003	609.547491332608
2004	953.0674047295863
2005	1147.0146523557003
2006	1574.5049013951896
2007	2284.1966785671566
2008	3538.158372623247
2009	3047.779846271054
2010	3526.3939051543307
2011	4325.0463880997695
2012	4971.775958694527
2013	5134.826814419167
2014	4747.734582559509
2015	3486.534408905569
2016	3410.7142793830412
2017	3639.16446774668
2018	4144.79731513933
2019	4277.006544212064
2020	3504.2954158498164
2021	3692.2001799573763