| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 11/06/18 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 6 | |
| 07/17/18 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 30 | |
| 07/12/18 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 8 | |
| 05/03/18 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 10 | |
| 04/06/18 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 29 | |
| 03/29/18 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 5 | |
| 02/15/18 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 6 | |
| 02/13/18 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 6 | |
| 02/12/18 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 4 | |
| 01/19/18 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 28 |