Date
- 1971-02-17 - 1971-02-261
- 1971-03-01 - 1971-03-151
- 1971-03-16 - 1971-03-311
- 1971-04-01- 1971-04-151
- 1971-04-16 - 1971-04-301
- 1971-05-02 - 1971-05-151
- 1971-05-16 - 1971-05-311
- 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
- 1971-08-02 - 1971-08-151
- 1971-08-16 - 1971-08-311
- 1971-09-01 - 1971-09-151
- 1971-09-17 - 1971-09-301
- 1971-10-01 - 1971-10-151
- 1971-10-18 - 1971-10-281
- 1971-11-01 - 1971-11-151