28 instances from 3 years 2018 - 7 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2018 2 instances 20:13:45 20:27:30 22 4 Jun 22, 2018 4 instances 04:40:32 11:03:13 11:15:27 23:50:37 23 Jul Aug Sep Oct Nov Dec 2017 - 11 instances Jan 6 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 12:51:29 13:15:03 13:36:06 19:01:04 19:20:12 19:44:01 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 12:59:58 20:10:02 Nov Dec 25 26 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 11:26:34 11:32:10 11:32:15 11:33:46 30 2 Sep 30, 2016 2 instances 21:09:17 21:15:51 Oct 3 3 Oct 3, 2016 3 instances 14:17:03 14:17:09 14:17:49 Nov Dec 29