24 instances from 5 years 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 8 Jun 21, 2018 8 instances 02:25:31 02:26:53 02:26:56 06:37:08 06:37:52 06:42:48 19:06:01 20:34:28 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 01:55:55 04:22:53 Nov 2 2 Nov 2, 2017 2 instances 17:39:40 17:39:48 Dec 25 2 Dec 25, 2017 2 instances 03:03:23 05:28:52 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:23:36 10:29:11 10:29:14 10:29:38 30 Oct 3 3 Oct 3, 2016 3 instances 12:14:09 12:14:32 12:16:48 Nov Dec