15 instances from 2 years 2017 - 2 instances Jan 6 7 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2016 - 13 instances Jan Feb Mar Apr May Jun 20 2 Jun 20, 2016 2 instances 15:46:48 20:24:39 25 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 04:08:07 04:11:58 04:12:38 04:16:35 Oct 1 2 Oct 1, 2016 2 instances 13:06:14 13:14:26 4 3 Oct 4, 2016 3 instances 04:07:23 04:09:03 04:09:45 Nov Dec 29