| Date Filed | Type | Description | Filer | View |
| 04/13/10 | DEF 14A | Official notification to shareholders of matters to be brought to a vote ("Proxy") | |  |
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| 04/23/09 | DEFA14A | Additional proxy soliciting materials - definitive | | |
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| 04/23/09 | DEF 14A | Official notification to shareholders of matters to be brought to a vote ("Proxy") | | |
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| 04/24/08 | DEF 14A | Official notification to shareholders of matters to be brought to a vote ("Proxy") | | |
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| 04/25/07 | DEF 14A | Official notification to shareholders of matters to be brought to a vote ("Proxy") | | |
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| 04/20/06 | DEF 14A | Official notification to shareholders of matters to be brought to a vote ("Proxy") | | |
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| 04/14/05 | DEF 14A | Official notification to shareholders of matters to be brought to a vote ("Proxy") | | |
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| 05/10/04 | DEFA14A | Additional proxy soliciting materials - definitive | | |
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| 04/26/04 | DEF 14A | Official notification to shareholders of matters to be brought to a vote ("Proxy") | | |
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| 04/18/03 | DEF 14A | Official notification to shareholders of matters to be brought to a vote ("Proxy") | | |
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