30 instances from 4 years 2018 - 11 instances Jan 4 5 6 8 Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 05:31:17 06:49:02 21:59:13 22 Jul 6 3 Jul 6, 2018 3 instances 11:15:13 13:08:04 23:20:43 Aug Sep Oct Nov Dec 2017 - 6 instances Jan 1 10 Feb Mar Apr May Jun 23 2 Jun 23, 2017 2 instances 07:42:21 12:31:57 Jul Aug Sep Oct 2 Nov Dec 26 2016 - 12 instances Jan Feb Mar Apr May Jun 20 2 Jun 20, 2016 2 instances 16:13:56 22:36:54 21 2 Jun 21, 2016 2 instances 05:18:24 08:39:35 Jul Aug Sep 20 3 Sep 20, 2016 3 instances 15:20:31 16:11:07 21:09:44 Oct 1 2 Oct 1, 2016 2 instances 22:00:32 23:14:43 4 3 Oct 4, 2016 3 instances 16:35:56 17:08:09 19:45:55 Nov Dec 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16