A researcher wishes to study the incidence rate of breast cancer among Hispanic women. They studied 2,000 patients for 8 years, with visits every 2 years. At the 2-year visit, there were 12 cases of cancer and 2 patients lost to follow-up. At the 4-year visit, there were 20 cases of cancer and 6 patients lost to follow up. At the 6-year visit, there were 12 cancer cases and 0 patients lost to follow-up. At the final visit, there were 22 cases of cancer and 6 patients lost to follow-up. What is the incidence rate of breast cancer per 1,000 person years? Report your answer to the tenth decimal (one decimal place). Only report the numerical value, no units