28 instances from 3 years 2018 - 7 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2018 2 instances 20:13:27 20:27:12 22 5 Jun 22, 2018 5 instances 04:40:25 11:02:55 11:15:10 16:21:39 23:50:34 Jul Aug Sep Oct Nov Dec 2017 - 11 instances Jan 6 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 12:51:12 13:14:43 13:35:49 19:00:48 19:19:55 19:43:45 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 12:59:31 20:09:46 Nov Dec 25 26 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 11:26:17 11:31:53 11:31:58 11:33:28 30 2 Sep 30, 2016 2 instances 21:08:55 21:15:27 Oct 3 3 Oct 3, 2016 3 instances 14:16:21 14:16:22 14:17:11 Nov Dec 29