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 08:37:43 08:39:46 08:39:49 08:47:56 09:58:46 10:09:53 21:16:00 23 Jul Aug Sep Oct Nov Dec 2017 - 14 instances Jan 10 Feb Mar Apr May Jun 21 5 Jun 21, 2017 5 instances 04:36:16 04:37:27 07:40:47 07:59:38 08:03:07 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 05:23:04 06:16:53 Nov 2 2 Nov 2, 2017 2 instances 19:06:53 19:06:55 8 2 Nov 8, 2017 2 instances 18:02:06 18:02:09 Dec 25 2 Dec 25, 2017 2 instances 07:20:26 08:33:55 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 3 Sep 19, 2016 3 instances 09:28:33 09:34:12 09:35:36 30 2 Sep 30, 2016 2 instances 17:57:53 18:03:40 Oct 3 3 Oct 3, 2016 3 instances 10:11:55 10:11:56 10:11:56 Nov Dec