Date
- 1949-11-01T08:00:00Z1
- 1949-12-01T08:00:00Z1
- 1950-01-01T08:00:00Z1
- 1950-03-01T08:00:00Z1
- 1950-06-21T07:00:00Z1
- 1950-11-01T08:00:00Z1
- 1951-01-01T08:00:00Z1
- 1951-03-01T08:00:00Z1
- 1951-05-01T07:00:00Z1
- 1953-01-01T08:00:00Z1
- 1953-03-01T08:00:00Z1
- 1953-11-01T08:00:00Z1
- 1954-01-01T08:00:00Z1
- 1954-03-01T08:00:00Z1
- 1954-05-01T07:00:00Z1
- 1954-10-27T08:00:00Z1
- 1954-11-01T08:00:00Z1
- 1955-01-01T08:00:00Z1
- 1955-03-01T08:00:00Z1
- 1955-05-01T07:00:00Z1