20 instances from 3 years 2017 - 3 instances Jan 6 2 Jan 6, 2017 2 instances 16:51:17 16:57:37 Feb Mar Apr May Jun Jul Aug Sep Oct Nov 20 Dec 2016 - 15 instances Jan Feb 17 Mar Apr May Jun 20 5 Jun 20, 2016 5 instances 11:51:12 13:10:43 14:56:03 19:01:19 20:52:39 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 08:43:51 08:43:51 08:43:53 09:03:19 30 Oct 3 3 Oct 3, 2016 3 instances 08:46:19 08:46:19 08:46:45 Nov Dec 29 2015 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16 2 Dec 16, 2015 2 instances 16:19:00 21:18:48