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 Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 09:01:37 15:37:06 15:39:48 25 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 04:10:24 04:14:16 04:14:56 04:19:03 Oct 1 2 Oct 1, 2016 2 instances 13:08:41 13:16:45 4 3 Oct 4, 2016 3 instances 04:09:38 04:11:19 04:12:01 Nov Dec 29