City Center had a population of 2,200 residents in 2010. On January 1, 2010, there were 121 residents who had been previously diagnosed with diabetes. Du ring 2010, an additional 56 residents were diagnosed with diabetes. During the next year (2011}, a further 71 residents were diagnosed with diabetes. You can assume that the population of City Center was static {i.e. no movement in or out}. What is the prevalence of diabetes for City Center on December 31, 2011? Round your answer to 1 decimal place