您最多选择25个主题
主题必须以字母或数字开头，可以包含连字符 (-)，并且长度不得超过35个字符
| Date | Alice | Bob | Claire | David |
| 1/1/2019 | 14 | 10 | 18 | 9 |
| 1/15/2019 | 16 | 11 | 19 | 10 |
| 2/1/2019 | 15 | 11 | 18 | 12 |
| 2/15/2019 | 17 | 10 | 19 | 11 |
| 3/1/2019 | 14 | 15 | 19 | 14 |
| 3/15/2019 | 15 | 13 | 20 | 13 |
| 4/1/2019 | 13 | 12 | 19 | 14 |
| 4/15/2019 | 15 | 12 | 19 | 15 |
| 5/1/2019 | 16 | 13 | 17 | 14 |
| 5/15/2019 | 17 | 11 | 18 | 15 |
