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 08:37:22 08:39:05 08:39:08 08:47:35 09:58:26 10:09:26 21:15:49 Jul 4 Aug Sep Oct Nov Dec 2017 - 14 instances Jan 10 Feb Mar Apr May Jun 21 5 Jun 21, 2017 5 instances 04:35:36 04:37:07 07:40:27 07:59:18 08:02:47 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 05:22:44 06:16:33 Nov 2 2 Nov 2, 2017 2 instances 19:06:26 19:06:28 8 2 Nov 8, 2017 2 instances 18:01:38 18:01:41 Dec 25 2 Dec 25, 2017 2 instances 07:20:06 08:33:36 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 3 Sep 19, 2016 3 instances 09:27:59 09:33:38 09:35:03 30 2 Sep 30, 2016 2 instances 17:57:20 18:03:07 Oct 3 3 Oct 3, 2016 3 instances 10:11:10 10:11:13 10:11:14 Nov Dec