The Coca-Cola Company has reported that its global volumes increased 5% in the second quarter and 5% for the first six months. Year-to-date unit case growth reflected an increase of 5% in international operations and 4% in North America, the company said. Carbonated soft drinks contributed 2% growth on a year-to-date basis, while Coke also strengthened its position as the leading marketer of non-carbonated beverages in the world, with 25% growth during the first six months.