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 08:46:23 08:51:18 08:51:21 08:56:32 10:03:38 10:15:06 21:19:12 Jul 4 Aug Sep Oct Nov Dec 2017 - 13 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2017 4 instances 04:42:14 07:44:58 08:03:49 08:07:17 Jul Aug 29 Sep Oct 2 2 Oct 2, 2017 2 instances 05:28:07 06:21:20 Nov 2 2 Nov 2, 2017 2 instances 19:13:42 19:13:45 8 2 Nov 8, 2017 2 instances 18:09:11 18:09:13 Dec 25 2 Dec 25, 2017 2 instances 07:27:31 08:38:37 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 3 Sep 19, 2016 3 instances 09:34:30 09:40:07 09:41:32 30 2 Sep 30, 2016 2 instances 18:05:21 18:11:08 Oct 3 3 Oct 3, 2016 3 instances 10:22:08 10:22:12 10:22:13 Nov Dec