Consumer regard for yogurt has ebbed and flowed over the past few decades, but yogurt’s healthy attributes and a wider recognition of the benefits of probiotics finally cemented the segment as a sales powerhouse. According to Citigroup Global Markets, total yogurt sales in 2010 amounted to $4.1 billion. Most surprising has been the rapid emergence of Greek-style yogurt, which accounted for nearly a quarter of that sum ($1 billion in annual sales).