| From 05-01-2007 to 06-30-2007 | -> | From 70.00 to 80.00
From N/A to N/A CAD
From N/A to N/A EUR
From N/A to N/A USD
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| From 08-01-2007 to 08-31-2007 | -> | From 80.00 to 90.00
From N/A to N/A CAD
From N/A to N/A EUR
From N/A to N/A USD
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| From 09-01-2007 to 09-30-2007 | -> | From 70.00 to 80.00
From N/A to N/A CAD
From N/A to N/A EUR
From N/A to N/A USD
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| From 10-01-2007 to 04-30-2008 | -> | From 60.00 to 70.00
From N/A to N/A CAD
From N/A to N/A EUR
From N/A to N/A USD
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