The Java-driven interactive chart is an alternative charting tool, with enhanced features like 'Zoom' and 'Detach & expand'. Please note that your browser and / or firewall must be Java-enabled for you to view this.

The key user instructions are as follows:

• Zoom in on a time range by dragging the mouse over the desired dates and releasing.
• To revert back to original chart, change date range or right click on chart.
• Select comparative data via the Settings button, then click Go to redraw.
• Detach button allows you to expand chart to full screen size You can launch a detailed and illustrated Help text from the main pop-up window.