Although various official and semi-official appellations were used during the early decades of independent statehood, the title of Prime Minister has been the formal designation of the office at least since 1843.
Meskipun sebutan resmi dan setengah resmi berbagai digunakan selama awal dekade kenegaraan independen, Perdana Menteri penunjukan resmi jabatan tersebut setidaknya sejak 1843.