Change the start and end dates in one of four ways:

  • Click on the buttons at the top left for a fixed period ending with the last update.
  • Enter the chosen dates into the boxes on the top right.
  • Use the slider below the graph which can be set to any length from two weeks to the full data series.
  • Place your mouse anywhere on the graph and drag across to select a time period.

The numerical weightings can be seen in a panel if you hover over the graph.

Underlying data is available to subscribers.