24 instances from 4 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 01:21:08 01:21:15 01:21:20 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 6 2 Jan 6, 2017 2 instances 15:34:35 16:02:59 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 03:29:44 03:33:52 Jul Aug Sep Oct 2 Nov 2 Dec 2016 - 14 instances Jan Feb 17 Mar Apr May Jun 20 2 Jun 20, 2016 2 instances 17:59:12 18:51:27 21 2 Jun 21, 2016 2 instances 08:37:28 11:58:54 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 18:21:20 18:26:44 18:49:18 Oct 1 2 Oct 1, 2016 2 instances 03:00:02 03:06:41 3 3 Oct 3, 2016 3 instances 18:43:42 18:50:07 18:53:10 Nov Dec 29 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16