20 instances from 3 years 2017 - 3 instances Jan 6 2 Jan 6, 2017 2 instances 16:51:13 16:57:34 Feb Mar Apr May Jun Jul Aug Sep Oct Nov 20 Dec 2016 - 15 instances Jan Feb 17 Mar Apr May Jun 20 5 Jun 20, 2016 5 instances 12:09:29 13:29:17 14:59:57 19:01:02 20:56:27 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 08:43:47 08:43:48 08:43:49 09:03:16 30 Oct 3 3 Oct 3, 2016 3 instances 08:46:16 08:46:16 08:46:41 Nov Dec 29 2015 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16 2 Dec 16, 2015 2 instances 16:37:23 21:14:24