23 instances from 2 years 2017 - 7 instances Jan 6 Feb Mar Apr May Jun 21 4 Jun 21, 2017 4 instances 01:23:37 01:25:56 01:32:44 01:34:48 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 01:22:47 01:47:46 Nov Dec 2016 - 16 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 09:27:45 09:59:20 10:21:03 Jul Aug Sep 19 7 Sep 19, 2016 7 instances 08:15:51 08:20:48 08:21:09 08:27:29 08:32:38 08:32:48 08:33:10 30 2 Sep 30, 2016 2 instances 16:27:31 16:33:27 Oct 3 3 Oct 3, 2016 3 instances 08:32:52 08:33:42 08:33:45 Nov Dec 29