Let's take the middle two from each row: Pfizer and AstraZeneca. In 2013, Pfizer spent 13% of revenue on R&D, while AstraZeneca spent 17%. Google spent 12.9%, Intel spent 20.1%, and Microsoft spent 13.5%. Apple typically spends only 3-4% of revenues on R&D, but it's an outlier in the tech industry.