Month Cumulative.Day Failures Cumulative.Fail Jul 31 5 5 Aug 62 4 9 Sep 92 6 15 Nov 123 1 16 Dec 153 2 18 Jan 184 1 19 Feb 215 4 23 Mar 243 4 27 Apr 274 2 29 May 304 1 30 Jun 335 1 31 Jul 365 1 32 Aug 396 1 33 Sep 427 1 34 Nov 457 1 35