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 08:38:20 08:40:32 08:40:35 08:48:32 09:59:06 10:10:16 21:16:14 27 Jul Aug Sep Oct Nov Dec 2017 - 14 instances Jan 9 Feb Mar Apr May Jun 21 5 Jun 21, 2017 5 instances 04:36:33 04:37:44 07:41:04 07:59:55 08:03:23 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 05:23:24 06:17:12 Nov 2 2 Nov 2, 2017 2 instances 19:07:34 19:07:37 8 2 Nov 8, 2017 2 instances 18:02:44 18:02:46 Dec 25 2 Dec 25, 2017 2 instances 07:21:01 08:34:15 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 3 Sep 19, 2016 3 instances 09:28:57 09:34:36 09:36:00 30 2 Sep 30, 2016 2 instances 17:58:15 18:04:04 Oct 3 3 Oct 3, 2016 3 instances 10:12:24 10:12:25 10:12:43 Nov Dec