Turkey\'s turnover in trade and services increased 3.7% in the second quarter of 2012 over the previous year and 13.2% over the previous quarter, as Anatolia news agency reports. Turkish statistics authority, TurkStat released on Friday trade and services turnover index for the Q2 (April-May-June) of 2012. Trade and services employment index increased 5.1% compared to the same quarter of the previous year and 3.8% compared to previous quarter, in the second quarter of 2012.