| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Feb 2023 | 02 Feb 2023 | 000-04197 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Feb 2022 | 02 Feb 2022 | 000-04197 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Aug 2021 | 05 Aug 2021 | 000-04197 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Feb 2021 | 02 Feb 2021 | 000-04197 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Dec 2020 | 09 Dec 2020 | 000-04197 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Feb 2020 | 02 Feb 2020 | 000-04197 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Feb 2019 | 04 Feb 2019 | 000-04197 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Feb 2018 | 02 Feb 2018 | 000-04197 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2017 | 03 Feb 2017 | 000-04197 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2016 | 01 Feb 2016 | 000-04197 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2015 | 01 Feb 2015 | 000-04197 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2014 | 01 Feb 2014 | 000-04197 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Aug 2013 | 13 Aug 2013 | 000-04197 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Feb 2013 | 01 Feb 2013 | 000-04197 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Feb 2012 | 03 Feb 2012 | 000-04197 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2012 | 01 Feb 2012 | 000-04197 |