30 instances from 3 years 2018 - 8 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 18:17:24 18:28:37 18:32:38 22 4 Jun 22, 2018 4 instances 04:01:13 16:47:37 17:29:55 17:38:01 23 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct 2 3 Nov Dec 25 2 Dec 25, 2017 2 instances 15:07:24 15:23:05 2016 - 18 instances Jan Feb Mar Apr May Jun Jul Aug Sep 20 8 Sep 20, 2016 8 instances 03:46:15 03:46:19 03:51:51 03:51:53 03:51:53 03:51:55 03:51:57 03:51:57 Oct 1 4 Oct 1, 2016 4 instances 20:42:07 20:42:12 20:48:44 20:48:48 4 6 Oct 4, 2016 6 instances 19:35:34 19:35:38 19:44:35 19:44:44 19:55:01 19:55:08 Nov Dec