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1/1/2010 - 12/31/2010
USD ($) / shares

USD ($)

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1/1/2010 - 12/31/2010
USD ($) / shares

USD ($)

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1/1/2010 - 12/31/2010
USD ($)

USD ($) / shares
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1/1/2010 - 12/31/2010
USD ($) / shares

USD ($)
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1/1/2010 - 12/31/2010
USD ($)

USD ($) / shares

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