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 08:37:02 08:38:37 08:38:41 08:47:15 09:58:12 10:09:03 21:15:41 30 Jul Aug Sep Oct Nov Dec 2017 - 14 instances Jan 10 Feb Mar Apr May Jun 21 5 Jun 21, 2017 5 instances 04:35:02 04:36:50 07:40:14 07:59:05 08:02:34 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 05:22:27 06:16:20 Nov 2 2 Nov 2, 2017 2 instances 19:06:05 19:06:08 8 2 Nov 8, 2017 2 instances 18:01:20 18:01:22 Dec 25 2 Dec 25, 2017 2 instances 07:19:46 08:33:23 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 3 Sep 19, 2016 3 instances 09:27:36 09:33:15 09:34:39 30 2 Sep 30, 2016 2 instances 17:56:58 18:02:45 Oct 3 3 Oct 3, 2016 3 instances 10:10:35 10:10:36 10:10:38 Nov Dec