| Type | From | To |
|---|---|---|
| 1958-06-01 00:00 | 1961-09-30 23:54 | |
| 1962-05-01 00:00 | 1964-04-30 23:54 | |
| 1969-12-01 00:00 | 1964-12-31 23:54 | |
| 1965-07-01 00:00 | 1977-12-31 23:54 | |
| 1978-10-01 00:00 | 1978-12-31 23:54 | |
| 1980-01-01 00:00 | 1989-12-31 23:54 | |
| 1992-01-01 00:00 | 1994-04-30 23:54 |