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Consolidated Balance Sheets (Parentheticals) | Dec. 31, 2013 | Dec. 31, 2012
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Equity: |  |
Limited partners: Depositary units issued | 115,900,309 | 104,850,813
Limited partners: Depositary units outstanding | 115,900,309 | 104,850,813
Treasury units at cost, units outstanding |  | 0

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