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 09:01:24 15:38:14 15:39:35 22 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 04:08:57 04:12:48 04:13:28 04:17:29 Oct 1 2 Oct 1, 2016 2 instances 13:07:00 13:15:09 4 3 Oct 4, 2016 3 instances 04:08:06 04:09:46 04:10:28 Nov Dec 29