16 instances from 2 years 2017 - 2 instances Jan 6 7 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2016 - 14 instances Jan Feb 17 Mar Apr May Jun 20 2 Jun 20, 2016 2 instances 09:52:00 20:24:33 25 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 04:09:58 04:13:50 04:14:30 04:18:36 Oct 1 2 Oct 1, 2016 2 instances 13:08:12 13:16:16 4 3 Oct 4, 2016 3 instances 04:09:13 04:10:53 04:11:35 Nov Dec 29