23 instances from 4 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 01:21:57 01:22:04 01:22:10 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 6 2 Jan 6, 2017 2 instances 15:35:31 16:03:55 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 03:30:33 03:34:41 Jul Aug Sep Oct 2 Nov 8 Dec 2016 - 13 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2016 4 instances 08:39:57 12:00:02 14:26:13 14:47:01 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 18:22:10 18:27:33 18:50:07 Oct 1 2 Oct 1, 2016 2 instances 03:00:55 03:07:33 3 3 Oct 3, 2016 3 instances 18:44:34 18:51:00 18:54:02 Nov Dec 29 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16