18 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 02:21:23 02:21:49 02:22:23 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 6 2 Jan 6, 2017 2 instances 22:24:33 22:24:33 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 10:16:45 10:17:06 Jul Aug Sep Oct Nov 21 Dec 25 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 16:28:27 16:29:11 16:34:02 16:34:07 Oct 1 2 Oct 1, 2016 2 instances 00:56:59 01:02:06 3 2 Oct 3, 2016 2 instances 16:42:05 16:42:40 Nov Dec 29