Date
- 1968-01-16 - 1968-01-311
- 1968-02-02 - 1968-02-291
- 1968-03-01 - 1968-03-151
- 1968-03-18 - 1968-03-311
- 1968-04-03 - 1968-04-171
- 1968-04-19 - 1968-04-291
- 1968-05-01 - 1968-05-151
- 1968-05-17 - 1968-05-311
- 1968-06-03 - 1968-06-281
- 1968-07-02 - 1968-07-301
- 1968-08-02 - 1968-08-151
- 1968-08-16 - 1968-08-311
- 1968-09-03 - 1968-09-141
- 1968-09-16 - 1968-09-251
- 1968-10-01 - 1968-10-151
- 1968-10-16 - 1968-10-311
- 1968-11-08 - 1968-11-161
- 1969-02-17 - 1969-02-281
- 1969-03-03 - 1969-03-141
- 1969-03-16 - 1969-03-311