16 instances from 3 years 2018 - 1 instance Jan 3 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2017 - 3 instances Jan 6 Feb Mar Apr May Jun Jul Aug Sep Oct Nov 20 2 Nov 20, 2017 2 instances 20:17:52 21:38:13 Dec 2016 - 12 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 14:40:07 16:48:43 18:03:09 23:11:39 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 14:03:55 14:14:02 14:22:40 14:26:48 30 Oct 3 3 Oct 3, 2016 3 instances 12:36:59 12:45:42 13:02:14 Nov Dec