18 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 01:24:32 01:24:40 01:24:47 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 6 2 Jan 6, 2017 2 instances 15:37:06 16:05:26 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 03:33:57 03:39:34 Jul Aug Sep Oct 2 Nov 2 Dec 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 3 Sep 19, 2016 3 instances 18:23:22 18:28:44 18:51:18 Oct 1 2 Oct 1, 2016 2 instances 03:02:13 03:08:50 3 3 Oct 3, 2016 3 instances 18:45:51 18:52:17 18:55:20 Nov Dec 29