Array ( [0] => Array ( [0] => Year [1] => Income [2] => Costs [3] => Profit ) [1] => Array ( [0] => 2004 [1] => 1000 [2] => 400 [3] => 600 ) [2] => Array ( [0] => 2005 [1] => 1170 [2] => 460 [3] => 710 ) [3] => Array ( [0] => 2006 [1] => 660 [2] => 1120 [3] => -460 ) [4] => Array ( [0] => 2007 [1] => 1030 [2] => 540 [3] => 490 ) [5] => Array ( [0] => 2008 [1] => 1700 [2] => 1200 [3] => 500 ) )