Year current US$ 1977 1930000.01274049 1979 0 1980 4390000.00059605 1981 2569999.96304512 1982 2119999.99731779 1983 1749999.9646097398 1984 1520000.02190471 1985 1819999.99471009 1986 1229999.97809529 1987 1300000.0007450602 1988 1089999.9886751198 1989 1489999.99649823 1990 2239999.9666959 1991 2449999.9489635197 1992 1300000.01750886 1993 1240000.01698732 1994 1819999.9965727301 1995 1869999.9935925 1996 2080000.0093877302 1997 1880000.0008195601 1998 1970000.0043958402 1999 1410000.01877546 2000 1219999.99321997 2001 1569999.98912215 2002 1789999.98420477 2003 1509999.97183681 2004 1139999.98942018 2005 1319999.9965727301 2006 1489999.987185 2007 2019999.9939650302 2008 2279999.98629093 2009 2110000.03293157 2010 2009999.9904632599 2011 1709999.99903142 2012 1812991.98791385 2013 1758676.98341608 2014 1473816.55871868 2015 1458946.55585289 2016 1154794.4992780702 2017 1090247.8992939 2018 427139.99748230004 2019 687921.941280365 2020 997229.993343353 2021 724214.851856232 2022 854709.982872009