15 instances from 2 years 2017 - 4 instances Jan 8 Feb Mar Apr May Jun 23 Jul Aug Sep Oct Nov 20 2 Nov 20, 2017 2 instances 20:03:40 21:23:41 Dec 2016 - 11 instances Jan Feb Mar Apr May Jun 21 22 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 14:42:46 15:17:22 20:13:49 20:32:19 Oct 1 4 3 Oct 4, 2016 3 instances 15:47:23 16:20:21 19:01:53 Nov Dec 30