| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 05/15/12 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 4 | |
| 05/02/12 | D | Form D: Notice of Exempt Offering of Securities | 7 | |
| 04/26/12 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 68 | |
| 04/23/12 | 20-F/A | Form 20-F/A: Annual and transition report of foreign private issuers [Sections 13 or 15(d)] | 240 | |
| 03/26/12 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 4 | |
| 03/09/12 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 5 | |
| 03/08/12 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 03/07/12 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 3 | |
| 03/01/12 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 3 | |
| 02/29/12 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 64 |
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