World : 2011 : 63,000 | [TABLECONTEXT] : [title] : Niobium | World : 2000 : 32,600 | [TABLECONTEXT] : country : World | World : 2005 : 38,700
Global niobium mining was 32,600 tonnes in 2000 and 38,700 tonnes in 2005 before rapidly growing to 63,000 tonnes in 2011.