18 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 04:44:28 04:44:38 04:44:48 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 08:23:11 08:29:01 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 15:13:31 15:25:21 15:34:04 15:37:45 30 2 Sep 30, 2016 2 instances 21:41:31 21:44:08 Oct 3 3 Oct 3, 2016 3 instances 13:48:29 13:57:09 14:14:07 Nov Dec 29