| Date | Rank | Web Site |
|---|---|---|
| 2021-01-18 | 613 | springer.com |
| 2021-01-17 | 538 | springer.com |
| 2021-01-16 | 550 | springer.com |
| 2021-01-15 | 595 | springer.com |
| 2021-01-14 | 517 | springer.com |
| 2021-01-13 | 592 | springer.com |
| 2021-01-12 | 488 | springer.com |
| 2021-01-11 | 530 | springer.com |
| 2021-01-10 | 475 | springer.com |
| 2021-01-09 | 466 | springer.com |
| 2021-01-08 | 658 | springer.com |
| 2021-01-07 | 562 | springer.com |
| 2021-01-06 | 634 | springer.com |
| 2021-01-05 | 566 | springer.com |