18 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 02:36:42 02:37:16 02:37:58 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 6 2 Jan 6, 2017 2 instances 22:37:28 22:37:29 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 10:29:13 10:29:36 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 17:07:09 17:10:50 17:13:27 Oct 1 2 Oct 1, 2016 2 instances 01:11:11 01:16:10 3 3 Oct 3, 2016 3 instances 16:51:31 16:56:14 16:56:45 Nov Dec 29