| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 07/22/19 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 5 | |
| 07/05/19 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 26 | |
| 06/25/19 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 22 | |
| 06/24/19 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 4 | |
| 05/20/19 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 5 | |
| 05/06/19 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 4 | |
| 04/01/19 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 5 | |
| 03/19/19 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 3 | |
| 02/19/19 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 23 | |
| 01/15/19 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 3 |
