24 instances from 4 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 01:25:30 01:25:37 01:25:46 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 6 2 Jan 6, 2017 2 instances 15:39:09 16:07:31 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 03:35:02 03:40:31 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 18:00:14 18:50:37 21 2 Jun 21, 2016 2 instances 08:38:43 12:01:22 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 18:25:56 18:31:08 18:53:42 Oct 1 2 Oct 1, 2016 2 instances 03:04:42 03:11:14 3 3 Oct 3, 2016 3 instances 18:48:16 18:54:41 18:57:44 Nov Dec 29 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16