| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Jul 2022 | 18 Jul 2022 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Oct 2021 | 30 Sep 2021 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jul 2021 | 30 Jun 2021 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2021 | 17 May 2021 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 May 2021 | 10 May 2021 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 May 2021 | 05 May 2021 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Mar 2021 | 24 Mar 2021 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 May 2020 | 05 May 2020 | 000-18032 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2020 | 02 Aug 2019 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Aug 2019 | 02 Aug 2019 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2019 | 06 May 2019 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2018 | 07 May 2018 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Mar 2018 | 14 Mar 2018 | 000-18032 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Mar 2018 | 14 Mar 2018 | 000-18032 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jul 2017 | 05 Jul 2017 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jul 2017 | 01 Jul 2017 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 May 2017 | 11 May 2017 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2017 | 08 May 2017 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Aug 2016 | 11 Aug 2016 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jul 2016 | 01 Jul 2016 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 May 2016 | 12 May 2016 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Feb 2016 | 16 Feb 2016 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jan 2016 | 10 Jan 2016 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Nov 2015 | 16 Nov 2015 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Aug 2015 | 17 Aug 2015 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jul 2015 | 15 Jul 2015 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jul 2015 | 02 Jul 2015 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jul 2015 | 01 Jul 2015 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 May 2015 | 13 May 2015 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 May 2015 | 05 May 2015 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jan 2015 | 26 Jan 2015 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jan 2015 | 10 Jan 2015 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jul 2014 | 05 Jul 2014 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jul 2014 | 01 Jul 2014 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2014 | 14 May 2014 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jan 2014 | 10 Jan 2014 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jul 2013 | 22 Jul 2013 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jul 2013 | 05 Jul 2013 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jul 2013 | 02 Jul 2013 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2013 | 15 May 2013 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jan 2013 | 10 Jan 2013 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jul 2012 | 05 Jul 2012 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jul 2012 | 02 Jul 2012 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jul 2012 | 01 Jul 2012 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jun 2012 | 13 Jun 2012 | 000-18548 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2012 | 09 May 2012 | 000-18548 |