Year current US$ 1970 4700000.0346452 1971 4849999.988451596 1972 18850000.353530098 1973 16179999.664425854 1974 10080000.162124636 1975 13389999.954029921 1976 15899999.886751164 1977 13789999.898523089 1978 23800000.09760261 1979 45690000.40739772 1980 115339998.11485411 1981 129170001.79551554 1982 108259998.35319825 1983 135799997.93879676 1984 156809998.69480735 1985 207129997.2794949 1986 184770002.72832808 1987 167350002.52723688 1988 234080002.87413606 1989 216069995.90061608 1990 217889996.12256888 1991 253479998.60905108 1992 197510000.1320243 1993 238820000.02264974 1994 453190002.2998451 1995 390019999.5487934 1996 128609999.53746796 1997 120550000.65639621 1998 104879999.06390908 1999 115869999.1963804 2000 160949999.4367361 2001 188419996.82784078 2002 239799997.6947904 2003 199900002.02320513 2004 174510000.6852299 2005 42969999.93547798 2006 22489999.715238817 2007 31899999.812245347 2008 44229999.553412214 2009 62969998.98925421 2010 39160000.30748546 2011 73430000.81181522 2012 125063400.3579616 2013 55556425.609625846 2014 59599.9993383884 2015 92806531.66305278 2016 81617136.68704033 2017 118772868.27564253 2018 88740747.10160498 2019 120106402.62067315 2020 114236014.69397548 2021 287745386.838913 2022 164181400.03085136