Year US Dollars 1960 1100000.02384 1961 31049999.23706 1962 82099998.47412 1963 76449996.94824 1964 300390014.64844 1965 295769989.01367 1966 266019989.01367 1967 244820007.32422 1968 312559997.55859 1969 326649993.89648 1970 353660003.66211 1971 319390014.64844 1972 260869995.11719 1973 292519989.01367 1974 331730010.98633 1975 356899993.89648 1976 394920013.42773 1977 346390014.64844 1978 360109985.35156 1979 383630004.88281 1980 452290008.54492 1981 305029998.7793 1982 360049987.79297 1983 416459991.45508 1984 350929992.67578 1985 324700012.20703 1986 365660003.66211 1987 423869995.11719 1988 736969970.70312 1989 689859985.35156 1990 1001510009.76563 1991 917359985.35156 1992 1026569946.28906 1993 1056939941.40625 1994 2174820068.35938 1995 1462959960.9375 1996 1202209960.9375 1997 608179992.67578 1998 1366670043.94531 1999 620169982.91016 2000 538500000 2001 315859985.35156 2002 1623839965.82031 2003 330040008.54492 2004 188050003.05176 2005 104730003.35693 2006 271350006.10352 2007 180889999.38965 2008 576190002.44141 2009 2336350097.65625 2010 842169982.91016 2011 1342540039.0625 2012 2820959960.9375 2013 1245410034.17969 2014 896090026.85547 2015 699030029.29688 2016 661169982.91016 2017 873559997.55859 2018 970109985.35156 2019 1211660034.17969 2020 1562030029.29688 2021 1474729980.46875