28 instances from 3 years 2018 - 8 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 20:27:00 20:40:44 20:41:11 22 3 Jun 22, 2018 3 instances 04:46:14 11:16:08 11:28:18 23 2 Jun 23, 2018 2 instances 00:43:10 02:27:21 Jul Aug Sep Oct Nov Dec 2017 - 11 instances Jan 6 7 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 13:04:31 13:28:18 13:49:03 19:13:49 19:33:02 19:56:43 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 11:39:45 11:45:25 11:45:35 11:47:00 30 2 Sep 30, 2016 2 instances 21:32:15 21:37:25 Oct 3 2 Oct 3, 2016 2 instances 14:44:46 14:44:51 Nov Dec 29