20 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 01:41:46 01:41:58 01:42:18 Jul Aug Sep Oct Nov Dec 2017 - 7 instances Jan 6 2 Jan 6, 2017 2 instances 16:25:09 16:31:42 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 04:04:51 04:04:58 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 18:41:19 18:46:53 18:47:36 19:07:29 Oct 1 2 Oct 1, 2016 2 instances 03:18:36 03:24:55 3 3 Oct 3, 2016 3 instances 19:01:58 19:08:27 19:11:27 Nov Dec 29