Economic performance of the Turkish economy continued to slow down in the last three month of 2012, according to the Turkish Statistical Institute report released on Monday. The report showed that the nation's gross domestic product rose on a monthly basis by 1.4% in the Q4 following a 1.6% advance in the Q3 and a 2.9% increase in the Q2. Year-on-year the GDP added 7.4% in the Q4.