For the following statistics, a) indicate whether the statistic is a count, proportion or rate, and b) state whether the statistic represents prevalence, cumulative incidence, incidence rate, or none of the above.
a. A new study found that there were 12 new cases of mesothelioma per 100,000 person-years of employment in the shipbuilding industry.
b. In 2014, 29% of Americans had hypertension.
c. There 44 per 100,000 United States men newly diagnosed with prostate cancer during 2008
d. A total of 360 people were seen at the emergency rooms in the county hospital.
e. More than 15 per 1000 persons are estimated to currently have Alzheimer's disease.
f. In 2015, there were 6 births for every 1,000 Indiana females aged 15-44.