20 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 01:44:28 01:44:43 01:45:08 Jul Aug Sep Oct Nov Dec 2017 - 7 instances Jan 6 2 Jan 6, 2017 2 instances 16:27:35 16:36:25 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 04:07:11 04:07:18 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 18:43:33 18:49:03 18:49:44 19:09:37 Oct 1 2 Oct 1, 2016 2 instances 03:21:03 03:27:15 3 3 Oct 3, 2016 3 instances 19:04:07 19:10:34 19:13:35 Nov Dec 29