27 instances from 3 years 2018 - 6 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2018 2 instances 20:11:47 20:25:32 22 4 Jun 22, 2018 4 instances 04:39:41 07:27:47 11:01:18 11:13:34 Jul Aug Sep Oct Nov Dec 2017 - 11 instances Jan 6 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 12:49:35 13:13:06 13:34:14 18:59:13 19:18:21 19:42:10 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 12:57:55 20:08:13 Nov Dec 25 26 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 11:24:40 11:30:15 11:30:19 11:31:50 30 2 Sep 30, 2016 2 instances 21:04:50 21:12:12 Oct 3 3 Oct 3, 2016 3 instances 14:11:31 14:11:34 14:12:59 Nov Dec 29