24 instances from 4 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 01:25:36 01:25:43 01:25:52 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 6 2 Jan 6, 2017 2 instances 15:39:22 16:07:44 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 03:37:28 03:40:37 Jul Aug Sep Oct 2 Nov 8 Dec 2016 - 14 instances Jan Feb 17 Mar Apr May Jun 20 2 Jun 20, 2016 2 instances 18:01:21 18:37:21 21 2 Jun 21, 2016 2 instances 08:37:21 14:48:39 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 18:26:02 18:31:14 18:53:49 Oct 1 2 Oct 1, 2016 2 instances 03:04:48 03:11:20 3 3 Oct 3, 2016 3 instances 18:48:23 18:54:47 18:57:50 Nov Dec 29 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16