28 instances from 4 years 2018 - 4 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2018 4 instances 06:06:34 06:07:39 06:12:31 18:39:18 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan 6 2 Jan 6, 2017 2 instances 13:50:56 13:50:58 7 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 01:56:44 01:56:47 Jul Aug Sep Oct 2 11 Nov 2 Dec 25 2 Dec 25, 2017 2 instances 02:26:27 22:35:35 2016 - 12 instances Jan Feb 17 2 Feb 17, 2016 2 instances 14:16:03 21:01:34 Mar Apr May Jun 20 6 Jun 20, 2016 6 instances 09:02:15 09:27:59 11:38:15 13:33:31 13:52:39 23:18:16 Jul Aug Sep Oct 4 2 Oct 4, 2016 2 instances 04:51:56 04:52:12 Nov Dec 29 2 Dec 29, 2016 2 instances 04:03:11 22:34:10 2015 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16 17