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 09:37:26 09:46:57 09:47:01 09:47:47 10:27:14 10:38:27 21:37:59 Jul 4 Aug Sep Oct Nov Dec 2017 - 15 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 07:30:37 07:50:14 07:52:58 08:05:08 08:23:44 08:27:13 Jul Aug 29 Sep Oct 2 2 Oct 2, 2017 2 instances 06:03:34 06:40:51 Nov 2 2 Nov 2, 2017 2 instances 19:59:21 19:59:23 8 2 Nov 8, 2017 2 instances 18:53:43 18:53:46 Dec 25 2 Dec 25, 2017 2 instances 08:17:11 09:00:39 2016 - 7 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:00:07 10:05:43 10:05:46 10:07:03 30 2 Sep 30, 2016 2 instances 18:53:17 18:59:07 Oct Nov Dec 29