| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 07/06/20 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 92 | |
| 06/02/20 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 5 | |
| 05/22/20 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 14 | |
| 05/11/20 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 109 | |
| 05/07/20 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 4 | |
| 05/07/20 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 91 | |
| 03/16/20 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 5 | |
| 02/28/20 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 80 | |
| 02/21/20 | NT 20-F | Form NT 20-F: Notice under Rule 12b25 of inability to timely file all or part of an annual report of form 20-F | 2 | |
| 12/11/19 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 9 |
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