| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Apr 2022 | 01 Apr 2022 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2022 | 03 Jan 2022 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Oct 2021 | 01 Oct 2021 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jul 2021 | 01 Jul 2021 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Apr 2021 | 01 Apr 2021 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2021 | 04 Jan 2021 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Oct 2020 | 01 Oct 2020 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jul 2020 | 01 Jul 2020 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Apr 2020 | 01 Apr 2020 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2020 | 02 Jan 2020 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Oct 2019 | 01 Oct 2019 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jul 2019 | 01 Jul 2019 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Apr 2019 | 01 Apr 2019 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jan 2019 | 02 Jan 2019 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Oct 2018 | 01 Oct 2018 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jul 2018 | 02 Jul 2018 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Apr 2018 | 02 Apr 2018 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2018 | 02 Jan 2018 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Oct 2017 | 02 Oct 2017 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jul 2017 | 03 Jul 2017 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Apr 2017 | 03 Apr 2017 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2017 | 03 Jan 2017 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Oct 2016 | 03 Oct 2016 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jul 2016 | 01 Jul 2016 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Apr 2016 | 01 Apr 2016 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2016 | 04 Jan 2016 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Oct 2015 | 01 Oct 2015 | 001-13397 |
| 4 | Open Document | Open Filing | 4 | 06 Jul 2015 | 01 Jul 2015 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Apr 2015 | 01 Apr 2015 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2015 | 02 Jan 2015 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Oct 2014 | 01 Oct 2014 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jul 2014 | 01 Jul 2014 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Apr 2014 | 01 Apr 2014 | 001-13397 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2014 | 02 Jan 2014 | 001-13397 |