30 instances from 3 years 2018 - 7 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2018 2 instances 20:10:09 20:23:55 22 4 Jun 22, 2018 4 instances 04:39:00 07:17:35 10:59:44 11:12:00 Jul 7 Aug Sep Oct Nov Dec 2017 - 13 instances Jan 6 2 Jan 6, 2017 2 instances 16:49:25 16:51:40 10 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 12:47:57 13:11:28 13:32:36 18:57:37 19:16:44 19:40:34 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 12:56:17 20:06:38 Nov Dec 25 26 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 11:23:00 11:28:35 11:28:37 11:30:08 30 2 Sep 30, 2016 2 instances 21:02:20 21:09:35 Oct 3 3 Oct 3, 2016 3 instances 14:08:19 14:08:20 14:10:06 Nov Dec 29