From January 1 to March 14, 2012, 112 cases of salmonellosis were reported to health officials in Shelby County, a county with a population of 210,000. An additional 10 cases were reported March 15-30. On March 31, six (6) new cases of salmonellosis were reported. Routine surveillance in the county indicated that four (4) of the above reported cases in Shelby county died due to complications. Based on this information, what was the prevalence of salmonellosis in Shelby County during the first quarter of 2012?