Source: https://twitter.com/markmellman/status/462951610042564608 https://twitter.com/markmellman/status/462951610042564608 Note that the x-axis spans the year

Source: https://twitter.com/markmellman/status/462951610042564608 https://twitter.com/markmellman/status/462951610042564608 Note that the x-axis spans the years 2005-2014, and that the y-axis is somewhat misleading ("changes in prices relative to a 23% increase").