The Klitschkos were also considered big stars in Germany. According to DW, a research conducted no later than 2011 showed that nearly 99% of people in Germany recognized the Klitschko brothers; a similar research carried out by TNS for the Horizont Sport Business in 2003 showed that Vitali had been recognized by 90.9% of respondents, making them the sixth most recognized athlete in Germany at the time. The CPI Index conducted by the agency Celebrity Performance in 2012 had the Klitschkos ranked second on the list of the most marketable celebrities in Germany, while in 2014, based on a survey of 1151 respondents that was conducted by the same agency, the Klitschko brothers were ranked 6th among the most significant personalities in the country. At least six of Vitali's fights generated above 10 million average viewers.