(Potentially relevant link)

(Note: Edits prior to 2001-08-05 are not counted.)
1 each: April 2006, August 2005, December 2005, January 2006, May 2002, October 2001, September 2001, September 2004
2 each: April 2002, August 2004, February 2002, July 2004, March 2002, November 2002, November 2006
3 each: April 2004, June 2002, September 2005
4 each: February 2004, February 2006, July 2005
5: March 2006
6: January 2002
7 each: May 2004, May 2006, November 2001, October 2003
9: June 2006
10 each: August 2006, January 2004, July 2003, July 2006, June 2005, March 2004, October 2006
14: August 2001
20: March 2003
21: April 2003
27; December 2003
33: June 2003
39: August 2003
42: February 2003
45: September 2003
49: October 2002
66: September 2006
71: January 2003
85: December 2002
88: May 2003
100: January 2007
104: November 2003
Total: 965

Over 10% were this month. Wikid. I think I'll go make a few more edits, just to break my monthly record.

Also:
Oldest edits that are the most recent for said article:
* 17:42, 22 December 2002 (hist) (diff) Talk:Khazad-dum (Khazad-dum = Moria (Middle-earth)) (top)
* 01:41, 23 January 2003 (hist) (diff) Talk:Death Metal (Redundant article) (top)
* 17:35, 25 January 2003 (hist) (diff) Defining dictionary (Fixed redirect.) (top)
* 23:24, 25 January 2003 (hist) (diff) Ibn Sina (Fixed redirect) (top)
* 00:12, 26 January 2003 (hist) (diff) Hydrogenated amorphous silicon (Redirect) (top)
* 02:50, 26 January 2003 (hist) (diff) m Demo scene (Fixing redirect.) (top)
* 02:53, 26 January 2003 (hist) (diff) m J.Paul Getty (Fixing redirect.) (top)
* 23:46, 5 March 2003 (hist) (diff) William Taft (REDIRECT) (top)
* 18:29, 13 June 2003 (hist) (diff) Absolute Visual Magnitude (fixing redirect) (top)
* 16:19, 29 April 2004 (hist) (diff) Francis Iles (redir) (top)
* 21:03, 20 July 2006 (hist) (diff) Thomas West, 1st Baron West (Category:1335 births => Category:1365 births) (top)
Of course, Talk and Redirs aren't that relevant, so 2006. Not bad at all.