20 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 01:45:33 01:45:49 01:46:16 Jul Aug Sep Oct Nov Dec 2017 - 7 instances Jan 6 2 Jan 6, 2017 2 instances 16:28:47 16:37:36 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 04:08:34 04:08:41 Jul Aug Sep Oct Nov 2 8 Dec 25 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 18:44:57 18:50:27 18:51:07 19:11:01 Oct 1 2 Oct 1, 2016 2 instances 03:22:27 03:28:38 3 3 Oct 3, 2016 3 instances 19:05:29 19:11:56 19:14:57 Nov Dec 29