25 instances from 3 years 2018 - 6 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2018 2 instances 20:23:41 20:37:26 22 3 Jun 22, 2018 3 instances 04:44:44 11:12:58 11:25:04 23 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan 6 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 13:01:16 13:24:46 13:45:49 19:10:37 19:29:42 19:53:32 Jul Aug Sep Oct 2 Nov Dec 25 26 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 11:36:27 11:42:06 11:42:16 11:43:42 30 2 Sep 30, 2016 2 instances 21:26:50 21:30:48 Oct 3 3 Oct 3, 2016 3 instances 14:36:35 14:36:37 14:36:38 Nov Dec