Year current US$ 1969 1960000.03814697 1970 2099999.90463257 1971 2089999.9141693101 1972 2309999.94277954 1973 2990000.00953674 1974 2319999.9332428 1975 4389999.8664856 1976 4889999.8664856 1977 3250000 1978 3769999.98092651 1979 4380000.11444092 1980 4739999.771118159 1981 7980000.01907349 1982 6449999.80926514 1983 6630000.11444092 1984 7210000.03814697 1985 6380000.11444092 1986 7940000.05722046 1987 6989999.771118159 1988 9689999.5803833 1989 9859999.65667725 1990 7989999.771118159 1991 3519999.98092651 1992 2420000.07629395 1993 7409999.84741211 1994 11789999.961853001 1995 9840000.15258789 1996 7269999.98092651 1997 14449999.8092651 1998 10850000.3814697 1999 9239999.77111816 2000 5239999.771118159 2001 3630000.1144409203 2002 4019999.98092651 2003 4300000.19073486 2004 4960000.03814697 2005 6309999.94277954 2006 6650000.09536743 2007 9619999.88555908 2008 10130000.1144409 2009 9569999.69482422 2010 8880000.11444092 2011 4590000.15258789 2012 5853747.36785889 2013 5962401.86691284 2014 8184803.9627075195 2015 8962727.546691889 2016 7538066.86401367 2017 9400927.54364014 2018 12065604.2098999 2019 14708524.7039795 2020 11221666.3360596 2021 12340520.8587646 2022 13637189.8651123