| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2025 | 28 Feb 2025 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2024 | 29 Feb 2024 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Mar 2023 | 02 Mar 2023 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Mar 2022 | 25 Feb 2022 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Mar 2021 | 26 Feb 2021 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2020 | 28 Feb 2020 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2019 | 01 Mar 2019 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Mar 2018 | 02 Mar 2018 | 000-16255 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Nov 2016 | 01 Nov 2016 | 000-16255 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Nov 2016 | 01 Nov 2016 | 000-16255 |