| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 May 2023 | 31 Dec 2022 | 001-10879 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jan 2023 | 31 Dec 2022 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 May 2022 | 19 May 2022 | 001-10879 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jan 2022 | 31 Dec 2021 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2021 | 20 May 2021 | 001-10879 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jan 2021 | 31 Dec 2020 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 May 2020 | 21 May 2020 | 001-10879 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2020 | 31 Dec 2019 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Nov 2019 | 06 Nov 2019 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 May 2019 | 23 May 2019 | 001-10879 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jan 2019 | 31 Dec 2018 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2018 | 18 May 2018 | 001-10879 |
| 5/A | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Jan 2018 | 31 Dec 2017 | 001-10879 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jan 2018 | 31 Dec 2017 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 May 2017 | 19 May 2017 | 001-10879 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2017 | 31 Dec 2016 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 May 2016 | 26 May 2016 | 001-10879 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Feb 2016 | 31 Dec 2015 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 May 2015 | 21 May 2015 | 001-10879 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jan 2015 | 31 Dec 2014 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2014 | 22 May 2014 | 001-10879 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jan 2014 | 31 Dec 2013 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 May 2013 | 23 May 2013 | 001-10879 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jan 2013 | 31 Dec 2012 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Dec 2012 | 06 Dec 2012 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Aug 2012 | 17 Aug 2012 | 001-10879 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 May 2012 | 24 May 2012 | 001-10879 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jan 2012 | 31 Dec 2011 | 001-10879 |