20 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 02:47:35 02:48:09 02:48:52 Jul Aug Sep Oct Nov Dec 2017 - 7 instances Jan 7 2 Jan 7, 2017 2 instances 08:06:55 11:14:58 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 19:05:18 19:09:29 Jul Aug Sep Oct 2 Nov 2 Dec 25 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 20 4 Sep 20, 2016 4 instances 05:44:25 05:45:48 05:57:45 06:03:34 Oct 1 2 Oct 1, 2016 2 instances 16:24:43 18:03:23 4 3 Oct 4, 2016 3 instances 05:45:48 08:05:36 08:10:32 Nov Dec 30