| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2024 | 07 May 2024 | 000-16435 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2024 | 06 May 2024 | 000-16435 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Dec 2023 | 12 Dec 2023 | 000-16435 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Dec 2023 | 08 Dec 2023 | 000-16435 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Mar 2022 | 10 Mar 2022 | 000-16435 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Jan 2022 | 31 Dec 2021 | 000-16435 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jan 2021 | 31 Dec 2020 | 000-16435 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2020 | 31 Dec 2019 | 000-16435 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jan 2019 | 31 Dec 2018 | 000-16435 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jan 2018 | 31 Dec 2017 | 000-16435 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jan 2017 | 31 Dec 2016 | 000-16435 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jan 2016 | 31 Dec 2015 | 000-16435 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Aug 2015 | 01 Aug 2015 | 000-16435 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jun 2015 | 01 Feb 2015 | 000-16435 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jan 2015 | 31 Dec 2014 | 000-16435 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jan 2014 | 31 Dec 2013 | 000-16435 |