my_array_of_hashes = [ {:customer=>"Matthew", :fruit=>"Apples", :quantity=>2, :order_month => "January"}, {:customer => "Philip", :fruit => "Oranges", :quantity => 3, :order_month => "July"}, {:customer => "Matthew", :fruit => "Oranges", :quantity => 1, :order_month => "March"}, {:customer => "Charles", :fruit => "Pears", :quantity => 3, :order_month => "January"}, {:customer => "Philip", :fruit => "Apples", :quantity => 2, :order_month => "April"}, {:customer => "Philip", :fruit => "Oranges", :quantity => 1, :order_month => "July"} ]

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Customer | Apples | Oranges | Pears
Charles  |        |         |   3
Matthew  |   2    |    1    |
Philip   |   2    |    4    |
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