23 instances from 2 years 2017 - 7 instances Jan 6 Feb Mar Apr May Jun 21 4 Jun 21, 2017 4 instances 01:23:54 01:26:13 01:33:02 01:35:06 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 01:24:36 01:49:44 Nov Dec 2016 - 16 instances Jan Feb Mar Apr May Jun 20 2 Jun 20, 2016 2 instances 09:52:57 10:20:19 Jul Aug Sep 19 7 Sep 19, 2016 7 instances 08:16:08 08:21:05 08:21:26 08:27:47 08:32:56 08:33:06 08:33:28 30 2 Sep 30, 2016 2 instances 16:27:49 16:33:46 Oct 3 4 Oct 3, 2016 4 instances 08:21:57 08:33:10 08:34:01 08:34:03 Nov Dec 29