28 instances from 4 years 2018 - 4 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2018 4 instances 05:05:05 05:28:24 06:04:21 18:46:03 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan 6 2 Jan 6, 2017 2 instances 13:58:38 13:58:41 7 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 02:06:21 02:06:25 Jul Aug Sep Oct 2 11 Nov 2 Dec 25 2 Dec 25, 2017 2 instances 03:36:09 23:37:24 2016 - 12 instances Jan Feb 17 Mar Apr May Jun 20 5 Jun 20, 2016 5 instances 09:00:53 09:29:35 11:29:03 13:42:08 14:10:57 21 Jul Aug Sep Oct 1 4 2 Oct 4, 2016 2 instances 05:05:16 05:05:16 Nov Dec 29 2 Dec 29, 2016 2 instances 04:09:50 22:42:41 2015 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16 17