| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | May 24, 2023 | Dec 31, 2022 | 001-10879 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 11, 2023 | Dec 31, 2022 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 20, 2022 | May 19, 2022 | 001-10879 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 12, 2022 | Dec 31, 2021 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 21, 2021 | May 20, 2021 | 001-10879 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 7, 2021 | Dec 31, 2020 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2020 | May 21, 2020 | 001-10879 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 6, 2020 | Dec 31, 2019 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 7, 2019 | Nov 6, 2019 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 24, 2019 | May 23, 2019 | 001-10879 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 11, 2019 | Dec 31, 2018 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 21, 2018 | May 18, 2018 | 001-10879 |
| 5/A | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 10, 2018 | Dec 31, 2017 | 001-10879 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 8, 2018 | Dec 31, 2017 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2017 | May 19, 2017 | 001-10879 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2017 | Dec 31, 2016 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 27, 2016 | May 26, 2016 | 001-10879 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 1, 2016 | Dec 31, 2015 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2015 | May 21, 2015 | 001-10879 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 15, 2015 | Dec 31, 2014 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 23, 2014 | May 22, 2014 | 001-10879 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 15, 2014 | Dec 31, 2013 | 001-10879 |