| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 5/A | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Mar 2022 | 31 Dec 2021 | 000-52534 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2022 | 31 Dec 2021 | 333-139045 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jun 2021 | 31 Dec 2020 | 333-139045 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jun 2021 | 31 Dec 2019 | 333-139045 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jun 2021 | 31 Dec 2018 | 333-139045 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2020 | 31 Dec 2019 | 000-52534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Nov 2019 | 30 Sep 2019 | 000-52534 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jan 2019 | 31 Dec 2018 | 000-52534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Apr 2018 | 05 Apr 2018 | 000-52534 |
| 3/A | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Apr 2018 | 31 Jul 2014 | 000-52534 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Jan 2017 | 31 Jul 2014 | 000-52534 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jun 2016 | 31 Dec 2012 | 333-139045 |