24 instances from 4 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 01:25:17 01:25:24 01:25:33 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 6 2 Jan 6, 2017 2 instances 15:39:15 16:07:37 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 03:34:49 03:40:18 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 18:00:20 18:50:44 21 2 Jun 21, 2016 2 instances 08:39:54 12:01:10 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 18:25:43 18:30:56 18:53:30 Oct 1 2 Oct 1, 2016 2 instances 03:04:29 03:11:02 3 3 Oct 3, 2016 3 instances 18:48:04 18:54:28 18:57:31 Nov Dec 29 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16