Is this page mostly blank and without pictures?
If so, the most likely causes are:
1) The entire page was not retrieved properly from the website. This happens occasionally with all websites. Try using your browser's "Refresh" or "Reload" command to get a new copy of this page. If that does not work, try number 2 below.
2) If the page is almost totally blank except for this text, you may have a Norton Internet Security feature that disables pages with "ads". The Tideline has a "Classified Ads" section. If this is the problem you will need to go to your Norton Internet Security options and disable "Ad blocking" for this site.
Most of these charts are from articles we wrote that explain the issue in detail. You can read the original article that includes the chart by clicking the link provided in the text below each chart. To view charts by topic, click one of the links below.