Canada : 2010 : 4,420 | Canada : 2009 : 4,330 | Canada : 2011 : 4,400 | Canada : 2008 : 4,380 | [TABLECONTEXT] : country : Canada | [TABLECONTEXT] : [title] : Niobium
In the years between 2008 and 2011, Canada mined 4,380  tonnes, 4,330 tonnes, 4,420 tonnes, and 4,400 tonnes of niobium.