i switched on auditing for a sitecollection. and selected type of action i`d like to have a report.

e.g. i`d like to have a report about viewing\downloading documents. all looks good, i can view report (save excel file to some doclib and open it), but in the report there are only 2 columns: url of file, and number of views.  but i need to know who viewed\downloaded documents?

how can i get such report?