25 instances from 3 years 2018 - 6 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2018 2 instances 20:22:31 20:36:16 22 4 Jun 22, 2018 4 instances 04:44:14 09:27:11 11:11:50 11:23:56 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan 6 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 13:00:05 13:23:36 13:44:38 19:09:30 19:28:35 19:52:25 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 11:35:18 11:40:57 11:41:07 11:42:33 30 2 Sep 30, 2016 2 instances 21:22:39 21:28:21 Oct 3 3 Oct 3, 2016 3 instances 14:34:16 14:34:18 14:34:20 Nov Dec