18 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 02:32:57 02:36:04 02:36:48 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 6 2 Jan 6, 2017 2 instances 22:36:17 22:36:17 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 10:28:02 10:28:25 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 17:02:03 17:03:54 17:07:31 Oct 1 2 Oct 1, 2016 2 instances 01:07:58 01:13:00 3 3 Oct 3, 2016 3 instances 16:48:16 16:53:03 16:53:34 Nov Dec 29