Date
- 1969-08-09T07:00:00Z1
- 1969-12-18T08:00:00Z1
- 1970-05-01T07:00:00Z1
- 1970-08-08T07:00:00Z1
- 1970-12-17T08:00:00Z1
- 1971-05-01T07:00:00Z1
- 1971-08-07T07:00:00Z1
- 1971-12-16T08:00:00Z1
- 1972-05-01T07:00:00Z1
- 1972-08-05T07:00:00Z1
- 1972-12-21T08:00:00Z1
- 1973-05-01T07:00:00Z1
- 1973-08-11T07:00:00Z1
- 1973-12-20T08:00:00Z1
- 1974-05-01T07:00:00Z1
- 1974-08-10T07:00:00Z1
- 1974-12-19T08:00:00Z1
- 1975-05-01T07:00:00Z1
- 1975-08-09T07:00:00Z1
- 1975-12-18T08:00:00Z1