Your access to the website may also be occasionally suspended or restricted to allow for repairs, maintenance, or the introduction of new facilities or services. We will attempt to limit the frequency and duration of any such suspension or restriction.</p> <p> </p> 5. Terms of use for website access <p>You may use read and copy material contained on this website for personal and educational (non-commercial) purposes, but not download (other than the publications, reports, other materials which we provide on our site for downloading) or modify it, except with our express written consent.