| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2022 | Feb 28, 2022 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 24, 2022 | Feb 23, 2022 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2021 | Feb 28, 2021 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 24, 2021 | Feb 22, 2021 | 001-05998 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 5, 2021 | Dec 31, 2020 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 4, 2020 | Nov 2, 2020 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 11, 2020 | Aug 7, 2020 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2020 | Feb 28, 2020 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 26, 2020 | Feb 24, 2020 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 21, 2020 | Feb 19, 2020 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 7, 2019 | Mar 5, 2019 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 4, 2019 | Feb 28, 2019 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 27, 2019 | Feb 25, 2019 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 21, 2019 | Feb 19, 2019 | 001-05998 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2019 | Dec 31, 2018 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 7, 2018 | Mar 5, 2018 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2018 | Feb 28, 2018 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 28, 2018 | Feb 26, 2018 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 23, 2018 | Feb 21, 2018 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 20, 2017 | Dec 19, 2017 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 7, 2017 | Mar 3, 2017 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2017 | Feb 28, 2017 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 24, 2017 | Feb 22, 2017 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 13, 2016 | May 12, 2016 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 4, 2016 | Mar 3, 2016 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 1, 2016 | Feb 28, 2016 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 23, 2016 | Feb 22, 2016 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2015 | Feb 28, 2015 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 25, 2015 | Feb 23, 2015 | 001-05998 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 13, 2015 | Dec 31, 2014 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2014 | Feb 28, 2014 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 25, 2014 | Feb 24, 2014 | 001-05998 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 19, 2014 | Feb 15, 2014 | 001-05998 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2014 | Dec 31, 2013 | 001-05998 |