Year	current US$
1992	32619115.9584709
1993	21981454.3373132
1994	33820291.3211266
1995	36647609.1218543
1996	38877479.7639673
1997	36724172.9437372
1998	28198827.5773807
1999	29415058.4280555
2000	30144958.1177334
2001	29883409.1296717
2002	26541014.9955287
2003	35827937.8703929
2004	34276817.6392673
2005	35622492.2269971
2006	48494557.5599677
2007	52932504.2611158
2008	60598190.8558481
2009	50898503.3056537
2010	48983665.4708258
2011	69977539.108156
2012	66935289.3700584
2013	69810736.2211549
2014	110688306.170013
2015	98347302.6767229
2016	99755642.3956917
2017	107420671.870702
2018	115918129.160363
2019	106691041.696857
2020	95829106.857868
2021	90607192.8060913