30 instances from 3 years 2018 - 9 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2018 4 instances 19:08:05 19:11:58 19:21:16 19:25:40 22 23 2 Jun 23, 2018 2 instances 07:45:55 07:46:48 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 11:42:08 11:45:55 12:04:36 12:08:22 12:23:30 12:27:12 Jul Aug 29 Sep Oct 2 2 Oct 2, 2017 2 instances 11:55:26 11:59:12 Nov 20 Dec 25 2 Dec 25, 2017 2 instances 15:37:37 15:41:18 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 20 4 Sep 20, 2016 4 instances 04:00:36 04:06:11 04:06:13 04:06:13 30 Oct 3 3 Oct 3, 2016 3 instances 11:41:37 11:42:59 11:43:12 Nov Dec