| # | Start Date | End Date | Relative Delta |
|---|---|---|---|
| 1 | 2021-01-27 | 2021-02-27 | months=1 |
| 2 | 2021-01-28 | 2021-02-28 | months=1 |
| 3 | 2021-01-29 | 2021-02-28 | months=1 |
| 4 | 2021-01-30 | 2021-02-28 | months=1 |
| 5 | 2021-01-31 | 2021-02-28 | months=1 |
| 6 | 2021-01-31 | 2021-03-31 | months=2 |
| 7 | 2021-01-31 | 2021-04-30 | months=3 |
| 8 | 2021-01-30 | 2021-04-30 | months=3 |