Welcome to our new website.

Please note our navigation has changed, so any bookmarks that you have to pages on our site will need to be updated. Subscribers won’t be affected. If you have any queries or issues please contact [email protected]

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Our website does not support the browser you are using. For a better browsing experience update to a compatible browser like the latest browsers from Chrome, Firefox and Safari.

Accessibility

This information is provided to help users with physical or technical constraints access the content on this website.

Keyboard and navigation shortcuts

To navigate without a mouse

IF you want to... THEN select
Move forward from link to link or to controls Tab
Move backwards from link to link or to controls Shift + Tab
To enlarge the font size CTRL + Plus Key
To decrease the font size CTRL + Minus Key
Select buttons Spacebar
Move from box to box Tab
Open a list box ALT + Down arrow
Read the previous screen CTRL + Page Up
Read the next screen CTRL + Page Down
Go to the bottom of the page CTRL + End
Close the current window (in Internet Explorer) CTRL + W
Refresh the screen F5
Go back a page ALT + Left Arrow
Go forward a page ALT + Right Arrow

To disable our stylesheet

In your browser, go to View > Page style > choose "No style"

Or use Alt+V+N for no stylesheet.

W3.org has more information on the use of stylesheets

File formats

Most of our documents are presented in PDF or HTML format.

PDFs are version 5.0 or later, and are accessible through Adobe Reader.

Download the free Adobe Reader.

Certain browsers will not open PDFs in the browser window. We recommend that you download the PDF to your device first and then open it.

Spreadsheets for the statistics tables are Excel files (.xls or .xlsx) and are often accompanied by a HTML version.

Some of our videos are accompanied by transcripts.

Please contact [email protected] for assistance if the information you require isn't accessible to you on this website.