Mister Spex reports that its German clients buy on average 1.12 sunglasses per year. About 76 percent of all people living in Germany own a pair of sunglasses. Six out of ten women living in Düsseldorf and Dortmund buy at least one pair of sunglasses per year. The average price paid for corrective sunglasses was €162.93 in 2015. Without special coating, the average price was €95.5. People living in Frankfurt spend on average €100.25 for corrective sunglasses, 10 percent more than people in Berlin. For many years, Ray-Ban, Oakley and Superdry have been the best-selling brands of sunglasses on Mister Spex' online store.