28 instances from 4 years 2021 - 1 instance Jan Feb Mar 20 Apr May Jun Jul Aug Sep Oct Nov Dec 2018 - 8 instances Jan 1 Feb Mar Apr May Jun 24 28 3 Jun 28, 2018 3 instances 09:08:52 11:14:01 12:48:46 Jul 1 3 Jul 1, 2018 3 instances 03:58:34 04:19:36 06:01:08 Aug Sep Oct Nov Dec 2017 - 11 instances Jan 6 2 Jan 6, 2017 2 instances 19:01:30 19:03:32 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 04:08:43 04:08:51 04:10:40 04:10:47 04:11:21 04:11:28 Jul Aug Sep Oct 6 2 Oct 6, 2017 2 instances 06:23:06 06:31:56 Nov Dec 29 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 08:34:37 08:39:55 08:39:59 08:40:56 30 2 Sep 30, 2016 2 instances 22:53:51 22:59:57 Oct 3 Nov Dec 29