Comparative dates on which the Nationals notched their 6th win, each season:
2012 - 13th April (8th match of season)
2005 - 14th April (10th match)
2011 - 15th April (13th match)
2010 - 17th April (11th match)
2006 - 20th April (16th match)
2007 - 20th April (17th match)
2008 - 22nd April (21st match)
2009 - 2nd May (23rd match)
