| Filing Date | Form | Description | Filing Group |
| 03/06/13 | 6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Current Reports |
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| 02/20/13 | 6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Current Reports |
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| 02/07/13 | 6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Current Reports |
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| 01/29/13 | 6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Current Reports |
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| 01/28/13 | 6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Current Reports |
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| 01/22/13 | 6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Current Reports |
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| 01/03/13 | 6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Current Reports |
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| 12/20/12 | 6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Current Reports |
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| 12/05/12 | 6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Current Reports |
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| 12/04/12 | 6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Current Reports |
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