| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Jun 2024 | 14 Jun 2024 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Mar 2024 | 15 Mar 2024 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Mar 2024 | 12 Mar 2024 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Mar 2024 | 09 Mar 2024 | 000-15536 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Feb 2024 | 31 Dec 2023 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Nov 2023 | 03 Nov 2023 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Mar 2023 | 15 Mar 2023 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Mar 2023 | 09 Mar 2023 | 000-15536 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Feb 2023 | 31 Dec 2022 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Dec 2022 | 10 Dec 2022 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jun 2022 | 16 Jun 2022 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Mar 2022 | 15 Mar 2022 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Mar 2022 | 09 Mar 2022 | 000-15536 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Feb 2022 | 10 Dec 2021 | 000-15536 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Feb 2022 | 31 Dec 2021 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Dec 2021 | 10 Dec 2021 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Mar 2021 | 18 Mar 2021 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Mar 2021 | 09 Mar 2021 | 000-15536 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2021 | 31 Dec 2020 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Dec 2020 | 10 Dec 2020 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jun 2020 | 05 Jun 2020 | 000-15536 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2020 | 31 Dec 2019 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Dec 2019 | 12 Dec 2019 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Dec 2019 | 10 Dec 2019 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Nov 2019 | 15 Nov 2019 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Aug 2019 | 08 Aug 2019 | 000-15536 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2019 | 31 Dec 2018 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Dec 2018 | 11 Dec 2018 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Nov 2018 | 15 Nov 2018 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 May 2018 | 10 May 2018 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Dec 2017 | 16 Dec 2017 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Dec 2017 | 12 Dec 2017 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Nov 2017 | 17 Nov 2017 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Nov 2017 | 15 Nov 2017 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Dec 2016 | 16 Dec 2016 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Nov 2016 | 17 Nov 2016 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Nov 2016 | 15 Nov 2016 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Dec 2015 | 15 Dec 2015 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Nov 2015 | 17 Nov 2015 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Dec 2014 | 16 Dec 2014 | 000-15536 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Dec 2014 | 13 Dec 2014 | 000-15536 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Oct 2014 | 01 Oct 2014 | 000-15536 |