Passage: Recep Tayyip Erdoğan (; Turkish: [ɾeˈdʒep tajˈjip ˈæɾdo.an] (listen); born 26 February 1954) is a Turkish politician serving as the 12th and current President of Turkey since 2014. He previously served as Prime Minister from 2003 to 2014 and as Mayor of Istanbul from 1994 to 1998. He founded the Justice and Development Party (AKP) in 2001, leading it to general election victories in 2002, 2007 and 2011 before standing down upon his election as President in 2014. Coming from an Islamist political background and as a self-described conservative democrat, he has promoted socially conservative and liberal economic policies in his administration.Erdoğan played football for Kasımpaşa before being elected in 1994 as the Mayor of Istanbul from the Islamist Welfare Party. He was stripped of his position, banned from political office, and imprisoned for four months for inciting religious hatred. Erdoğan abandoned openly Islamist politics and established the moderate conservative AKP in 2001.

Question: Since when was  Erdoğan in power in Turkey?
2014