18 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 02:02:36 02:03:01 02:03:34 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 04:29:21 04:29:21 Jul Aug Sep Oct 2 Nov 20 Dec 25 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:46:45 10:52:08 10:52:15 10:54:48 30 Oct 3 3 Oct 3, 2016 3 instances 11:01:36 11:01:39 11:01:41 Nov Dec 29