52 instances from 6 years 2021 - 1 instance Jan 24 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2020 - 8 instances Jan 18 Feb 12 13 Mar Apr May Jun 28 Jul 20 2 Jul 20, 2020 2 instances 08:04:44 08:07:15 Aug 2 Sep Oct Nov 12 Dec 2019 - 10 instances Jan Feb 27 Mar 4 3 Mar 4, 2019 3 instances 13:27:46 16:24:04 17:57:25 5 4 Mar 5, 2019 4 instances 12:34:54 15:40:42 15:49:23 16:22:39 6 Apr May Jun 27 Jul Aug Sep Oct Nov Dec 2018 - 13 instances Jan 5 7 8 2 Jan 8, 2018 2 instances 04:00:57 09:34:12 9 2 Jan 9, 2018 2 instances 05:22:12 14:37:32 16 Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 02:14:11 04:07:18 04:59:22 22 Jul 5 Aug Sep 24 Oct Nov Dec 2017 - 7 instances Jan 6 19 Feb 6 Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 02:41:24 03:06:59 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 13 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 09:17:23 09:28:27 09:42:46 09:53:35 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 08:48:37 08:50:46 09:44:19 09:44:31 30 Oct 3 3 Oct 3, 2016 3 instances 08:40:58 08:51:33 10:03:37 Nov Dec 29