Year current US$ 1985 1389999.98569489 1986 2029999.97138977 1987 3960000.03814697 1988 7769999.98092651 1989 6940000.05722046 1990 9920000.07629395 1991 14050000.1907349 1992 19659999.8474121 1993 27489999.7711182 1994 27569999.6948242 1995 51479999.5422363 1996 43099998.4741211 1997 26549999.237060502 1998 36110000.6103516 1999 48509998.3215332 2000 24430000.3051758 2001 18409999.8474121 2002 18260000.2288818 2003 31840000.1525879 2004 33189998.626709 2005 21440000.5340576 2006 13939999.5803833 2007 21180000.3051758 2008 22229999.5422363 2009 36720001.220703095 2010 24010000.2288818 2011 68699996.9482422 2012 43049999.237060495 2013 26600000.3814697 2014 23610000.6103516 2015 49729999.5422363 2016 73879997.253418 2017 36500000 2018 46889999.3896484 2019 70160003.6621094 2020 37240001.6784668 2021 58450000.762939505 2022 65889999.38964839