33 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 7 Jun 21, 2018 7 instances 08:43:47 08:47:26 08:47:30 08:53:57 10:01:36 10:13:03 21:18:09 Jul 4 Aug Sep Oct Nov Dec 2017 - 14 instances Jan 10 Feb Mar Apr May Jun 21 4 Jun 21, 2017 4 instances 04:40:23 07:43:10 08:02:01 08:05:29 Jul Aug 29 Sep Oct 2 2 Oct 2, 2017 2 instances 05:26:14 06:19:23 Nov 2 2 Nov 2, 2017 2 instances 19:11:08 19:11:10 8 2 Nov 8, 2017 2 instances 18:06:30 18:06:32 Dec 25 2 Dec 25, 2017 2 instances 07:24:58 08:36:35 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 3 Sep 19, 2016 3 instances 09:31:57 09:37:35 09:39:00 30 2 Sep 30, 2016 2 instances 18:01:56 18:07:42 Oct 3 3 Oct 3, 2016 3 instances 10:17:52 10:17:56 10:17:58 Nov Dec