Year US Dollars 1961 19750000 1967 3259999.99046 1974 39999.99911 1975 860000.01431 1976 1549999.95232 1978 39999.99911 1979 1059999.94278 1980 870000.00477 1981 639999.98569 1982 569999.99285 1983 1039999.96185 1986 620000.00477 1988 29999.99933 1990 159999.99642 1991 1320000.05245 1992 209999.99344 1993 660000.02623 1994 330000.01311 1995 19999.99955 1996 119999.99732 1997 689999.99762 1998 2509999.99046 1999 267809997.55859 2000 399820007.32422 2001 344980010.98633 2002 356600006.10352 2003 237889999.38965 2004 198330001.83105 2005 214009994.50684 2006 237320007.32422 2007 287670013.42773 2008 267869995.11719 2009 217899993.89648 2010 272859985.35156 2011 240029998.7793 2012 251110000.61035 2013 230750000 2014 231270004.27246 2015 225389999.38965 2016 235279998.7793 2017 236419998.16895 2018 207100006.10352 2019 234119995.11719 2020 249679992.67578 2021 232770004.27246