| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 12/31/12 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 25 | |
| 12/31/12 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 40 | |
| 12/28/12 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 46 | |
| 11/19/12 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 5 | |
| 08/27/12 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 4 | |
| 08/15/12 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 3 | |
| 07/20/12 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 71 | |
| 06/06/12 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 4 | |
| 06/06/12 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 3 | |
| 05/15/12 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 3 |