28 instances from 3 years 2018 - 7 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2018 2 instances 20:06:03 20:19:52 22 4 Jun 22, 2018 4 instances 04:37:17 06:44:18 10:55:46 11:08:03 25 Jul Aug Sep Oct Nov Dec 2017 - 13 instances Jan 6 2 Jan 6, 2017 2 instances 16:44:35 16:47:11 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 12:43:56 13:07:29 13:28:38 18:53:42 19:12:45 19:36:38 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 12:52:18 20:02:46 Nov 20 Dec 25 26 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 2 Sep 19, 2016 2 instances 11:18:55 11:26:04 30 2 Sep 30, 2016 2 instances 20:56:23 21:03:53 Oct 3 3 Oct 3, 2016 3 instances 13:59:33 13:59:41 14:01:06 Nov Dec 29