org-agenda-repeating-timestamp-show-all

org-agenda-repeating-timestamp-show-all is a variable defined in `org-agenda.el'.
Its value is

t

Documentation:
Non-nil means show all occurrences of a repeating stamp in the agenda.
When set to a list of strings, only show occurrences of repeating
stamps for these TODO keywords. When nil, only one occurrence is
shown, either today or the nearest into the future.

You can customize this variable.