18 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 02:32:48 02:35:55 02:36:38 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 6 2 Jan 6, 2017 2 instances 22:36:08 22:36:08 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 10:27:53 10:28:16 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 3 Sep 19, 2016 3 instances 17:01:54 17:03:45 17:07:21 Oct 1 2 Oct 1, 2016 2 instances 01:07:48 01:12:50 3 3 Oct 3, 2016 3 instances 16:48:07 16:52:53 16:53:25 Nov Dec 29