Year US Dollars adjusted for inflation) 1960 3000000 1961 0 1962 2000000 1963 0 1964 0 1966 12000000 1969 5000000 1971 0 1978 2000000 1979 3000000 1980 1000000 1981 19000000 1982 41000000 1983 89000000 1984 115000000 1985 3000000 1986 19000000 1988 18000000 1989 36000000 1990 1000000 1991 1000000 1994 39000000 1995 161000000 1996 61000000 1997 93000000 1998 46000000 1999 62000000 2000 46000000 2001 37000000 2002 34000000 2003 15000000 2004 47000000 2005 160000000 2006 59000000 2007 32000000 2008 223000000 2009 243000000 2010 12000000 2011 111000000 2012 22000000 2013 55000000 2014 10000000 2015 12000000 2016 7000000 2017 17000000 2018 21000000 2019 57000000 2020 27000000 2021 92000000 2022 121000000