| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2022 | 31 Dec 2021 | 001-16537 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Feb 2021 | 01 Feb 2021 | 001-16537 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Feb 2020 | 01 Feb 2020 | 001-16537 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 May 2019 | 13 May 2019 | 001-16537 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Feb 2019 | 01 Feb 2019 | 001-16537 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Feb 2018 | 01 Feb 2018 | 001-16537 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Aug 2017 | 07 Aug 2017 | 001-16537 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Feb 2017 | 15 Feb 2017 | 001-16537 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Feb 2017 | 03 Feb 2017 | 001-16537 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Feb 2017 | 01 Feb 2017 | 001-16537 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Nov 2016 | 23 Nov 2016 | 001-16537 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Aug 2016 | 30 Aug 2016 | 001-16537 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Feb 2016 | 03 Feb 2016 | 001-16537 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Feb 2016 | 01 Feb 2016 | 001-16537 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Feb 2015 | 03 Feb 2015 | 001-16537 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2015 | 01 Feb 2015 | 001-16537 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Dec 2014 | 03 Dec 2014 | 001-16537 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Feb 2014 | 01 Feb 2014 | 001-16537 |