Stats in December 2004 (one month after release):
https://web.archive.org/web/20041207034 ... item=14551
Was +7 in patch 1.2.
February 2005 (Patch 1.3):
https://web.archive.org/web/20050401160 ... item=14551
Still +7
May 2006 (Patch 1.10):
https://web.archive.org/web/20060525021 ... item=14551
Still +7
March 2007 (Patch 2.0.10, TBC):
https://web.archive.org/web/20070304044 ... item=14551
Now +17 weapon skill rating.