According to official data by Yemen’s Central Bank , the government’s share of oil exports increased by 20.6 per cent during the first half of current year to 15.5 million barrels, matching the 2009 period, Yemen Observer has reported. Oil exports through the first half of 2010 were 34.9 per cent below their level during the same period of 2008, and less than half the amount exported as late as the second half of 2006, the data showed.