从一段英文文本中提取出所有的日期，并将其列在一个表格中，包括每个日期出现的次数。


"The conference will be held from July 1st to July 5th in 2022. The deadline for submission is June 15, 2022."
| 日期           | 出现次数 |
|--------------|------|
| July 1st, 2022  | 1    |
| July 5th, 2022  | 1    |
| June 15, 2022 | 1    |