33 instances from 4 years 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 8 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2018 4 instances 15:03:41 15:32:38 15:42:34 15:47:44 22 3 Jun 22, 2018 3 instances 03:03:55 10:37:46 10:50:13 Jul 7 Aug Sep Oct Nov Dec 2017 - 14 instances Jan 6 2 Jan 6, 2017 2 instances 16:27:38 16:30:56 9 Feb Mar Apr May Jun 21 5 Jun 21, 2017 5 instances 10:42:36 10:44:09 18:40:36 19:00:56 19:23:36 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 10:36:37 19:47:26 Nov 8 2 Nov 8, 2017 2 instances 20:49:39 20:49:42 Dec 25 26 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:47:33 10:53:08 10:53:17 10:53:22 30 2 Sep 30, 2016 2 instances 20:06:01 20:11:46 Oct 3 3 Oct 3, 2016 3 instances 13:01:29 13:01:31 13:01:32 Nov Dec 29