30 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 09:08:59 11:14:09 12:48:54 Jul 1 3 Jul 1, 2018 3 instances 03:48:53 04:09:32 05:50:52 Aug Sep Oct Nov Dec 2017 - 11 instances Jan 8 2 Jan 8, 2017 2 instances 03:24:33 03:25:04 Feb Mar Apr May Jun 22 4 Jun 22, 2017 4 instances 12:43:15 12:47:06 13:17:14 13:21:02 Jul Aug Sep Oct 6 2 Oct 6, 2017 2 instances 06:15:24 06:27:54 Nov 8 2 Nov 8, 2017 2 instances 16:03:33 16:03:35 Dec 29 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 08:35:45 08:41:04 08:41:09 08:42:08 Oct 1 2 Oct 1, 2016 2 instances 03:56:34 04:04:05 3 3 Oct 3, 2016 3 instances 22:11:33 22:13:53 22:14:10 Nov Dec 30