Notice that total sales ($278,470) is the same in all pivot tables. Each table presents a different view of the same data, so they all sum to the same number. So, first and foremost, a pivot table can help you answer questions you have about your data. And in Excel, there is no better tool for this job.
Medical errors are third-leading cause of death in United States: Study. Go to the doctor or hospital when you're sick in the hopes of getting better, and you might end up dead, instead. A new study estimates that medical errors are actually the third-leading cause of death in the United States, responsible for a whopping 251,454 fatalities in 2013.
Heart disease is the leading cause of death in the United States.1 Stroke is the fifth leading cause of death in the United States.