| 2021 | 2020 | 2019 | 2018 |
| DECEMBER 2021 | DECEMBER 2020 | DECEMBER 2019 | DECEMBER 2018 |
| OCTOBER 2021 | OCTOBER 2020 | OCTOBER 2019 | NOVEMBER 2018 |
| AUGUST 2021 | AUGUST 2021 | AUGUST 2019 | OCTOBER 2018 |
| JULY 2021* | JUNE 2020 | JUNE 2019 | AUGUST 2018 |
| JUNE 2021 | APRIL 2020 | APRIL 2019 | JUNE 2018 |
| APRIL 2021 | FEBRUARY 2020 | FEBRUARY 2019 | APRIL 2018 |
| FEBRUARY 2021 | APRIL 2018 | ||
| FEBRUARY 2018 | |||
| *special meeting |
