Last update and number of installs reported incorrectly

[alexolog]

The Last update and number of installs differ between the table on the left and the script page on the right, sometimes significantly.
This makes sorting by these fields useless

Some examples: (invoked on google.com)
http://userscripts.org/scripts/show/76890
http://greasefire.userscripts.org/scripts/show/33156

Using FireFox 14.0.1 and scriptish