22 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:34:57 11:12:58 19:39:15 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 08:27:54 15:19:42 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 00:32:50 00:37:03 07:19:37 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 15:05:30 17:01:11 18:36:47 18:59:52 30 2 Sep 30, 2016 2 instances 21:35:33 23:02:26 Oct 3 2 Oct 3, 2016 2 instances 16:00:44 17:04:24 Nov Dec 29