20 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 01:36:25 01:36:51 01:37:10 Jul Aug Sep Oct Nov Dec 2017 - 7 instances Jan 6 2 Jan 6, 2017 2 instances 16:19:57 16:26:30 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 04:00:01 04:00:07 Jul Aug Sep Oct 2 Nov 2 Dec 25 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 18:36:11 18:41:44 18:42:33 19:02:25 Oct 1 2 Oct 1, 2016 2 instances 03:13:28 03:19:49 3 3 Oct 3, 2016 3 instances 18:56:53 19:03:19 19:06:19 Nov Dec 29