32 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 08:43:30 08:47:00 08:47:03 08:53:40 10:01:23 10:12:50 21:18:02 Jul 7 Aug Sep Oct Nov Dec 2017 - 13 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2017 4 instances 04:40:13 07:43:00 08:01:51 08:05:19 Jul Aug 29 Sep Oct 2 2 Oct 2, 2017 2 instances 05:26:04 06:19:13 Nov 2 2 Nov 2, 2017 2 instances 19:10:52 19:10:54 8 2 Nov 8, 2017 2 instances 18:06:12 18:06:14 Dec 25 2 Dec 25, 2017 2 instances 07:24:41 08:36:22 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 3 Sep 19, 2016 3 instances 09:31:40 09:37:18 09:38:43 30 2 Sep 30, 2016 2 instances 18:01:35 18:07:22 Oct 3 3 Oct 3, 2016 3 instances 10:17:28 10:17:34 10:17:36 Nov Dec