30 instances from 3 years 2018 - 7 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2018 4 instances 15:04:48 15:33:47 15:43:52 15:48:53 22 3 Jun 22, 2018 3 instances 03:04:23 10:38:50 10:51:16 Jul Aug Sep Oct Nov Dec 2017 - 13 instances Jan 6 2 Jan 6, 2017 2 instances 16:28:54 16:32:18 Feb Mar Apr May Jun 21 5 Jun 21, 2017 5 instances 10:43:40 10:45:13 18:41:39 19:02:00 19:24:39 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 10:37:40 19:48:33 Nov 8 2 Nov 8, 2017 2 instances 20:51:08 20:51:10 Dec 25 26 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:48:40 10:54:14 10:54:22 10:54:28 30 2 Sep 30, 2016 2 instances 20:08:23 20:14:09 Oct 3 3 Oct 3, 2016 3 instances 13:03:34 13:03:35 13:03:47 Nov Dec 29