The Eyalet of Cyprus  was an eyalet  of the Ottoman Empire made up of the island of Cyprus, which was annexed into the Empire in 1571. The Ottomans changed the way they administered Cyprus multiple times. It was a sanjak  of the Eyalet of the Archipelago from 1670 to 1703, and again from 1784 onwards; a fief of the Grand Vizier ; and again an eyalet for the short period from 1745 to 1748.
How many years was Cyprus a sanjak of the Eyalet of the Archipelago for during the 15th century?
29