13 instances from 2 years 2017 - 4 instances Jan 8 Feb Mar Apr May Jun 23 Jul Aug Sep Oct Nov 20 2 Nov 20, 2017 2 instances 20:03:57 21:23:58 Dec 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 20 4 Sep 20, 2016 4 instances 14:47:46 15:22:19 20:18:44 20:35:43 Oct 1 4 3 Oct 4, 2016 3 instances 15:51:22 16:25:46 19:05:54 Nov Dec 30