39 instances from 6 years 2021 - 1 instance Jan Feb Mar 21 Apr May Jun Jul Aug Sep Oct Nov Dec 2020 - 1 instance Jan Feb Mar Apr May Jun Jul 24 Aug Sep Oct Nov Dec 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 8 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2018 6 instances 09:07:20 09:16:35 09:17:29 10:12:11 10:23:57 21:27:01 23 30 Jul Aug Sep Oct Nov Dec 2017 - 18 instances Jan 6 2 Jan 6, 2017 2 instances 14:06:04 14:06:18 10 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 04:55:55 05:01:03 07:30:28 07:52:17 08:11:08 08:14:36 Jul Aug 29 Sep Oct 2 2 Oct 2, 2017 2 instances 05:41:39 06:28:26 Nov 2 2 Nov 2, 2017 2 instances 19:31:53 19:31:55 8 2 Nov 8, 2017 2 instances 18:26:28 18:26:31 Dec 25 2 Dec 25, 2017 2 instances 07:47:44 08:46:26 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 09:43:56 09:49:32 09:49:32 09:50:56 30 2 Sep 30, 2016 2 instances 18:24:50 18:30:41 Oct 3 3 Oct 3, 2016 3 instances 10:47:13 10:47:13 10:47:14 Nov Dec 29