35 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 15:07:44 15:36:36 15:47:28 15:51:44 22 4 Jun 22, 2018 4 instances 03:05:37 10:41:39 10:54:03 23:40:13 Jul Aug Sep Oct Nov Dec 2017 - 15 instances Jan 6 2 Jan 6, 2017 2 instances 16:32:44 16:35:52 7 2 Jan 7, 2017 2 instances 01:48:53 01:50:29 Feb Mar Apr May Jun 21 5 Jun 21, 2017 5 instances 10:46:28 10:48:00 11:48:43 18:44:33 19:27:32 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 10:40:25 19:51:15 Nov 8 2 Nov 8, 2017 2 instances 20:55:04 20:55:07 Dec 25 2 Dec 25, 2017 2 instances 13:40:32 15:10:00 2016 - 11 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:51:29 10:57:05 10:57:17 10:57:20 30 2 Sep 30, 2016 2 instances 20:15:41 20:21:30 Oct 3 3 Oct 3, 2016 3 instances 13:09:41 13:09:48 13:09:51 Nov Dec 29 2 Dec 29, 2016 2 instances 07:00:55 16:24:30