28 instances from 3 years 2018 - 7 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2018 2 instances 20:15:54 20:29:38 22 4 Jun 22, 2018 4 instances 04:41:24 11:05:18 11:17:32 23:50:22 23 Jul Aug Sep Oct Nov Dec 2017 - 11 instances Jan 6 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 12:53:34 13:17:07 13:38:10 19:03:07 19:22:14 19:46:03 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 13:02:02 20:12:03 Nov Dec 25 26 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 11:28:42 11:34:18 11:34:23 11:35:54 30 2 Sep 30, 2016 2 instances 21:12:40 21:18:42 Oct 3 3 Oct 3, 2016 3 instances 14:21:48 14:21:50 14:21:50 Nov Dec 29