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 08:37:26 08:39:12 08:39:15 08:47:38 09:58:29 10:09:29 21:15:51 25 Jul Aug Sep Oct Nov Dec 2017 - 14 instances Jan Feb Mar Apr May Jun 21 5 Jun 21, 2017 5 instances 04:35:56 04:37:10 07:40:31 07:59:22 08:02:50 Jul Aug 29 Sep Oct 2 2 Oct 2, 2017 2 instances 05:22:47 06:16:36 Nov 2 2 Nov 2, 2017 2 instances 19:06:30 19:06:32 8 2 Nov 8, 2017 2 instances 18:01:43 18:01:45 Dec 25 2 Dec 25, 2017 2 instances 07:20:09 08:33:39 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 3 Sep 19, 2016 3 instances 09:28:06 09:33:45 09:35:09 30 2 Sep 30, 2016 2 instances 17:57:27 18:03:14 Oct 3 3 Oct 3, 2016 3 instances 10:11:19 10:11:20 10:11:21 Nov Dec