18 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 04:51:45 04:51:53 04:52:05 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 08:31:22 08:38:58 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 15:20:40 15:33:29 15:41:21 15:44:55 30 2 Sep 30, 2016 2 instances 21:48:40 21:51:17 Oct 3 3 Oct 3, 2016 3 instances 13:55:34 14:04:17 14:21:12 Nov Dec 29