Date
- 1971-04-16 - 1971-04-301
- 1971-05-02 - 1971-05-151
- 1971-06-01 - 1971-06-151
- 1971-06-16 - 1971-06-301
- 1971-071
- 1971-07-01 - 1971-07-151
- 1971-07-16 - 1971-07-301
- 1971-081
- 1971-08-16 - 1971-08-311
- 1971-09-01 - 1971-09-151
- 1971-09-17 - 1971-09-301
- 1971-10-18 - 1971-10-281
- 1971-11-01 - 1971-11-151
- 1971-11-16 - 1971-11-301
- 1971-12-01 - 1971-12-151
- 1971-12-16 - 1971-12-311
- 1972-01-01 - 1971-01-251
- 1972-01-17 - 1972-01-311
- 1972-02-01 - 1972-01-151
- 1972-02-16 - 1972-02-291