18 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 02:21:04 02:21:30 02:22:04 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 6 2 Jan 6, 2017 2 instances 22:24:14 22:24:15 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 10:16:26 10:16:48 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 16:28:08 16:28:53 16:33:43 16:33:49 Oct 1 2 Oct 1, 2016 2 instances 00:56:40 01:01:48 3 2 Oct 3, 2016 2 instances 16:41:46 16:42:22 Nov Dec 29