39 instances from 4 years 2018 - 6 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2018 6 instances 05:51:23 05:51:26 05:57:13 05:57:16 18:45:57 18:45:58 Jul Aug Sep Oct Nov Dec 2017 - 12 instances Jan 6 2 Jan 6, 2017 2 instances 15:24:28 15:29:50 7 2 Jan 7, 2017 2 instances 03:16:19 03:24:05 Feb Mar Apr May Jun 21 3 Jun 21, 2017 3 instances 10:44:20 14:39:05 14:53:30 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 01:43:03 09:11:55 Nov 2 Dec 25 2 Dec 25, 2017 2 instances 03:41:55 11:37:19 2016 - 17 instances Jan Feb 17 Mar Apr May Jun 20 5 Jun 20, 2016 5 instances 11:29:07 13:23:22 13:43:00 14:11:16 14:57:29 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:00:33 10:05:36 10:05:38 10:05:39 30 2 Sep 30, 2016 2 instances 18:13:02 18:18:20 Oct 3 3 Oct 3, 2016 3 instances 10:12:42 10:12:42 10:13:05 Nov Dec 29 2 Dec 29, 2016 2 instances 05:37:55 17:23:59 2015 - 4 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16 3 Dec 16, 2015 3 instances 13:56:30 18:31:24 21:24:47 17