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 08:40:47 08:43:30 08:43:33 08:51:00 10:00:06 10:11:23 21:17:10 Jul 4 Aug Sep Oct Nov Dec 2017 - 14 instances Jan 10 Feb Mar Apr May Jun 21 5 Jun 21, 2017 5 instances 04:38:44 04:40:33 07:41:54 08:00:45 08:04:13 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 05:24:36 06:18:01 Nov 2 2 Nov 2, 2017 2 instances 19:09:05 19:09:07 8 2 Nov 8, 2017 2 instances 18:04:18 18:04:20 Dec 25 2 Dec 25, 2017 2 instances 07:22:51 08:35:07 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 3 Sep 19, 2016 3 instances 09:30:10 09:35:49 09:37:13 30 2 Sep 30, 2016 2 instances 17:59:37 18:05:22 Oct 3 3 Oct 3, 2016 3 instances 10:14:49 10:14:49 10:15:01 Nov Dec