Date
- 1969-05-01T07:00:00Z1
- 1969-08-09T07:00:00Z1
- 1969-12-18T08:00:00Z1
- 1970-05-01T07:00:00Z1
- 1970-08-08T07:00:00Z1
- 1970-09-12T07:00:00Z1
- 1970-12-17T08:00:00Z1
- 1971-05-01T07:00:00Z1
- 1971-06-30T07:00:00Z1
- 1971-08-07T07:00:00Z1
- 1971-12-16T08:00:00Z1
- 1972-01-01T08:00:00Z1
- 1972-05-01T07:00:00Z1
- 1972-08-05T07:00:00Z1
- 1972-08-23T07:00:00Z1
- 1972-11-03T08:00:00Z1
- 1972-12-21T08:00:00Z1
- 1973-03-02T08:00:00Z1
- 1973-03-23T08:00:00Z1
- 1973-04-01T08:00:00Z1