| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 11/14/19 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 8 | |
| 10/18/19 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 4 | |
| 10/03/19 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 104 | |
| 08/19/19 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 11 | |
| 07/18/19 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 172 | |
| 06/27/19 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 50 | |
| 06/11/19 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 125 | |
| 03/06/19 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 49 | |
| 02/13/19 | 20-F/A | Form 20-F/A: Annual and transition report of foreign private issuers [Sections 13 or 15(d)] |
|
124 |
| 01/15/19 | 20-F | Form 20-F: Annual and transition report of foreign private issuers [Sections 13 or 15(d)] | 123 |