18 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 04:51:55 04:52:04 04:52:15 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 08:31:43 08:39:06 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 15:20:49 15:33:38 15:41:29 15:45:04 30 2 Sep 30, 2016 2 instances 21:48:49 21:51:26 Oct 3 3 Oct 3, 2016 3 instances 13:55:42 14:04:25 14:21:20 Nov Dec 29