CREATE TABLE table_203_59 (id DECIMAL, "country" TEXT, "2000" DECIMAL, "2001" DECIMAL, "2002" DECIMAL, "2003" DECIMAL, "2004" DECIMAL, "2005" DECIMAL, "2006" DECIMAL, "2007" DECIMAL, "2008" DECIMAL, "2009" DECIMAL, "2010" DECIMAL, "2011" DECIMAL)

a total of how many -lrb- t -rrb- of niobium was produced in the world in the year 2000 ?
SELECT "2000" FROM table_203_59 WHERE "country" = 'world'
SELECT "2000" FROM "table_203_59" WHERE "country" = 'world'