17 instances from 2 years 2017 - 2 instances Jan 6 7 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2016 - 15 instances Jan Feb 17 Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 09:06:13 09:50:51 20:33:04 22 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 04:10:01 04:13:53 04:14:33 04:18:39 Oct 1 2 Oct 1, 2016 2 instances 13:08:15 13:16:19 4 3 Oct 4, 2016 3 instances 04:09:16 04:10:57 04:11:38 Nov Dec 29