Year current US$ 1979 19999.9995529652 1980 29999.999329447783 1981 49999.99888241288 1982 59999.99865889553 1983 119999.99731779099 1984 119999.9973177909 1985 149999.99850988388 1986 170000.00178813929 1987 319999.99843537796 1988 69999.99843537806 1989 29999.99932944774 1990 119999.99731779091 1991 239999.99836087186 1992 1019999.9883770944 1993 839999.9868124722 1994 2390000.0620633382 1995 3110000.059008602 1996 2770000.0386685096 1997 2890000.049024823 1998 2179999.9326467537 1999 3780000.0086426744 2000 4500000.04842877 2001 4089999.949559569 2002 5679999.97921288 2003 7010000.035166739 2004 9739999.955520028 2005 23649999.672546986 2006 28979999.737814065 2007 45219999.659806445 2008 56560000.4307926 2009 35149999.42481515 2010 30579999.541863818 2011 26629999.51653183 2012 27409998.98873265 2013 25009999.29010865 2014 25089999.19146295 2015 15850000.405684117 2016 15000000.312924404 2017 14340000.20101666 2018 14969999.438151691 2019 14349999.755620962 2020 16330000.05967915 2021 10839999.755844489 2022 11060000.166296957