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 09:03:43 15:36:27 15:38:20 25 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 04:08:04 04:11:55 04:12:35 04:16:32 Oct 1 2 Oct 1, 2016 2 instances 13:06:11 13:14:22 4 3 Oct 4, 2016 3 instances 04:07:20 04:09:00 04:09:42 Nov Dec 29