13 instances from 2 years 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 10:08:42 10:13:02 Jul Aug Sep Oct 2 Nov Dec 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 16:18:27 16:33:15 16:38:58 16:41:57 30 Oct 3 3 Oct 3, 2016 3 instances 14:53:50 15:01:53 15:19:28 Nov Dec 29