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 15:05:34 15:34:32 15:44:55 15:49:39 22 3 Jun 22, 2018 3 instances 03:04:42 10:39:34 10:52:01 Jul 9 Aug Sep Oct Nov Dec 2017 - 14 instances Jan 6 2 Jan 6, 2017 2 instances 16:29:41 16:33:06 10 Feb Mar Apr May Jun 21 5 Jun 21, 2017 5 instances 10:44:24 10:45:57 18:42:22 19:02:43 19:25:22 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 10:38:23 19:49:15 Nov 8 2 Nov 8, 2017 2 instances 20:52:08 20:52:10 Dec 25 26 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:49:24 10:55:00 10:55:09 10:55:14 30 2 Sep 30, 2016 2 instances 20:09:29 20:15:17 Oct 3 3 Oct 3, 2016 3 instances 13:04:55 13:04:57 13:04:57 Nov Dec 29