The "key indicators" included: Average price per pack of coffee, average price of a cappuccino, average spending on coffee per household, share of adult coffee drinkers, share of households that own coffee makers, affordable coffee shops per capita, coffee shops per capita, coffee and tea manufacturers per capita, coffee shops with free WiFi per capita, Google search traffic for coffee, coffee lover meetups per capita, presence of coffee-centric events and average ranking of coffee shops on The Daily Meal's "50 Best Coffee Shops."