Date
- 1981-01-14T08:00:00Z1
- 1981-01-26T08:00:00Z1
- 1981-01-28T08:00:00Z1
- 1981-02-03T08:00:00Z1
- 1981-02-10T08:00:00Z1
- 1981-02-11T08:00:00Z1
- 1981-02-17T08:00:00Z1
- 1981-02-23T08:00:00Z1
- 1981-02-25T08:00:00Z1
- 1981-03-02T08:00:00Z1
- 1981-03-18T08:00:00Z1
- 1981-03-30T08:00:00Z1
- 1981-04-01T08:00:00Z2
- 1981-04-07T08:00:00Z1
- 1981-04-14T08:00:00Z1
- 1981-04-15T08:00:00Z1
- 1981-04-21T08:00:00Z1
- 1981-04-27T07:00:00Z1
- 1981-05-04T07:00:00Z1
- 1981-07-14T07:00:00Z1