35 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 - 9 instances Jan Feb Mar Apr May Jun 21 7 Jun 21, 2018 7 instances 08:42:08 08:45:33 08:52:20 10:01:09 10:12:35 21:16:56 21:17:42 22 Jul Aug Sep Oct 18 Nov Dec 2017 - 15 instances Jan 10 Feb Mar Apr May Jun 21 5 Jun 21, 2017 5 instances 04:39:44 04:41:43 07:42:46 08:01:37 08:05:06 Jul Aug 29 Sep Oct 2 2 Oct 2, 2017 2 instances 05:25:35 06:18:54 Nov 2 2 Nov 2, 2017 2 instances 19:10:19 19:10:22 8 2 Nov 8, 2017 2 instances 18:05:38 18:05:41 Dec 25 2 Dec 25, 2017 2 instances 07:23:59 08:36:08 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 3 Sep 19, 2016 3 instances 09:31:20 09:36:59 09:38:23 30 2 Sep 30, 2016 2 instances 18:01:06 18:06:50 Oct 3 3 Oct 3, 2016 3 instances 10:16:53 10:16:56 10:17:07 Nov Dec