22 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:34:51 11:12:55 19:39:12 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 08:26:52 15:18:39 Jul Aug Sep Oct 2 Nov Dec 25 26 2016 - 13 instances Jan Feb Mar Apr May Jun 20 21 3 Jun 21, 2016 3 instances 00:33:38 00:37:48 07:09:37 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 15:05:27 17:01:08 18:36:44 18:59:49 30 2 Sep 30, 2016 2 instances 21:35:30 23:02:23 Oct 3 2 Oct 3, 2016 2 instances 16:00:41 17:04:21 Nov Dec 29