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 08:51:06 08:57:26 08:57:30 09:01:15 10:05:56 10:17:21 21:21:07 23 Jul Aug Sep Oct Nov Dec 2017 - 13 instances Jan 10 Feb Mar Apr May Jun 21 4 Jun 21, 2017 4 instances 04:45:11 07:46:54 08:05:45 08:09:13 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 05:31:22 06:23:14 Nov 2 2 Nov 2, 2017 2 instances 19:17:56 19:18:03 8 2 Nov 8, 2017 2 instances 18:13:10 18:13:12 Dec 25 2 Dec 25, 2017 2 instances 07:31:59 08:40:38 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 3 Sep 19, 2016 3 instances 09:37:04 09:42:41 09:44:05 30 2 Sep 30, 2016 2 instances 18:09:13 18:15:00 Oct 3 3 Oct 3, 2016 3 instances 10:28:14 10:28:17 10:28:27 Nov Dec