This chart collection explores price increases in private insurance for common services over time and finds significant geographic variation in prices. For example, the average price of a full knee replacement for those in large employer plans increased from $19,595 in 2003 to $34,063 in 2016, growth of 74% compared to a 28% increase in general inflation. The average price of a knee replacement in New York City is more than twice the price of the same procedure in the Louisville, Kentucky area.