12 instances from 2 years 2017 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov 20 2 Nov 20, 2017 2 instances 20:02:31 21:22:30 Dec 2016 - 10 instances Jan Feb Mar Apr May Jun 21 22 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 14:31:32 15:06:27 20:01:17 20:20:44 Oct 1 4 3 Oct 4, 2016 3 instances 15:36:34 16:09:38 18:51:02 Nov Dec