According to the new BIA/Kelsey report, the five biggest local advertising categories for radio are: retail (18.0 percent of total radio industry revenue), financial/Insurance (17.0 percent), restaurants (14.5 percent), automotive (14.0 percent) and technology (10.0 percent). BIA/Kelsey says local radio generates over 10 percent of its advertising from these five different groups of advertisers. And, the report says local radio receives 14.3 percent of all advertising spent by finance and insurance companies and 12.1 percent of all advertising spending by restaurants.

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