30 instances from 3 years 2018 - 9 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2018 4 instances 19:08:12 19:12:04 19:21:23 19:25:47 22 23 2 Jun 23, 2018 2 instances 07:46:02 07:46:56 27 Jul Aug Sep Oct 11 Nov Dec 2017 - 13 instances Jan 9 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 11:42:15 11:46:01 12:04:43 12:08:29 12:23:37 12:27:19 Jul Aug 29 Sep Oct 2 2 Oct 2, 2017 2 instances 11:55:33 11:59:19 Nov 20 Dec 25 2 Dec 25, 2017 2 instances 15:37:44 15:41:25 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 20 4 Sep 20, 2016 4 instances 04:00:39 04:06:14 04:06:17 04:06:17 30 Oct 3 3 Oct 3, 2016 3 instances 11:41:41 11:43:05 11:43:19 Nov Dec