Year US Dollars 1960 189999.99762 1961 5659999.84741 1962 25450000.76294 1963 34909999.84741 1964 115360000.61035 1965 98239997.86377 1966 97930000.30518 1967 104949996.94824 1968 92839996.33789 1969 127580001.83106 1970 160699996.94824 1971 150580001.83105 1972 151039993.28613 1973 197070007.32422 1974 104150001.52588 1975 209869995.11719 1976 116449996.94824 1977 86879997.25342 1978 119139999.38965 1979 88680000.30518 1980 117080001.83106 1981 101919998.16894 1982 155720001.2207 1983 169559997.55859 1984 212899993.89648 1985 169059997.55859 1986 162690002.44141 1987 144509994.50684 1988 177119995.11719 1989 225949996.94824 1990 189389999.38965 1991 206250000 1992 92330001.83105 1993 141509994.50684 1994 247690002.44141 1995 181009994.50684 1996 157089996.33789 1997 55099998.47412 1998 62689998.62671 1999 69290000.91553 2000 20370000.83923 2001 13130000.11444 2002 108589996.33789 2003 -12630000.11444 2004 46189998.62671 2005 56060001.37329 2006 33479999.54224 2007 52029998.7793 2008 58389999.38965 2009 73419998.16895 2010 99779998.7793 2011 61610000.61035 2012 66160003.66211 2013 82169998.16895 2014 104269996.64307 2015 107489997.86377 2016 44799999.23706 2017 112589996.33789 2018 117400001.52588 2019 121059997.55859 2020 53209999.08447 2021 90209999.08447