High School grades were progressively added from 1992 to 1995.
The oldest graves are in the northern half of the cemetery while newer graves were added progressively south.
Other BUZ services have been progressively added since then.
Over time, other features were progressively added, like cover art, a community board (forums) or private messaging.
The various sections of the trail have been added progressively during this development.
For some libraries, items acquired prior to 1972 were not automatically included in the Library Catalog, but are being progressively added to the database.
Since its inception in June 2006, the French service has progressively added new data and has undergone significant updates.
Shortly after set 41 was released, the yellow front was then progressively added to all existing cab units.
More lanes will be added progressively for new highway in the future.
It was then progressively added to until 1983.